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11 years: 1995-2006

I was extremely lucky to join Microsoft during a time of tremendous growth and transformation. This was the era of the hugely successful Windows business, as well as expansion into consumer devices, gaming, enterprise software, and cloud services. The company’s culture was known for its fast-paced, competitive environment, with a strong focus on innovation, engineering rigor, and shipping high-profile products that shaped personal computing worldwide. The company's momentum offered me the opportunity to progress from a software individual contributor to a partner at Microsoft, contributing to the development of set-top box technologies, SQL Server, BizTalk Server, host integration, web services, and the initial phase of Search.

2005 Launch Portrait Featuring
Bill Gates with the First Seach Team
(banner in foreground was our UI)

Notable Projects


    • Bing Search Engine v1, Engineering Director

      Bing started as a small project sponsored by Bill Gates, designed to compete with Google and Yahoo. We built it from the ground up as the company's first cloud service, providing comprehensive, user-friendly access to online information and inventing UI features like infinite scroll and knowledge boxes (both later copied by Google). We designed the architecture, crawlers, indexing, and search algorithms from scratch. While it never reached the volume of Google, Bing continues to evolve as a competitive alternative in the search engine market.

    • Microsoft BizTalk Server v1, Product Unit Manager

      BizTalk is an important part of Microsoft Server Business that streamlines and automates business processes by connecting diverse systems, services, and data streams. It leverages adapters to facilitate data exchange between on-premises and cloud resources, enabling organizations to integrate applications, orchestrate workflows, and manage complex communication scenarios. BizTalk’s message processing, transformations, and routing capabilities ensure data consistency and reliability, making it a popular solution for B2B integration, EDI transactions, and service-oriented architectures.

    • Microsoft Data Access Components, Engineering Lead

      When we started MDAC, it was the first implementation of XML and web services and an important part of SQL Server's growth. It became a critical collection of technologies in Windows that provides a unified way to access and manage data from various sources—ranging from SQL Server and Oracle to file systems and directory services. By encapsulating key components such as OLE DB, ODBC, and ADO, MDAC simplifies data connectivity and makes it easier to build Windows apps.

    • Windows CE Operating System v1, Engineer

      Imagine taking Windows and making it tiny enough to run on just 1 MB of RAM and two AA batteries. We streamlined and modularized Windows for use in embedded devices such as handheld computers, industrial controllers, and consumer electronics. Introduced in 1996, it provides a small footprint while offering real-time capabilities, a customizable set of features, and a flexible architecture that allows developers to include only the components they need, making it highly adaptable for diverse hardware configurations.

    There is no reason why you can't just carry a single little PC about the size of a wallet—a little flat-screen device that has all your authentication credentials.

    Insights


  • At Microsoft, I learned the value of aggressively seeking out opportunities to help the company—a mindset that deeply influenced my growth. By engaging with diverse projects—from launching groundbreaking features on Bing to optimizing integration and data access solutions—I discovered that stepping up to tackle challenges leads to rapid learning and adaptability. These experiences taught me the importance of looking beyond immediate tasks to understand broader organizational needs, cultivating technical breadth and strategic thinking. This thinking helped me earn seven promotions, and drive impactful, scalable solutions within a large organization.

    Start


  • I leaned toward medicine in college but always programmed for fun, even selling a few games for date and beer money. About halfway through my undergrad at the University of Arizona, a computer science elective rekindled my excitement for software—maybe even as a career. I jumped into writing compilers and operating systems, and after a difficult discussion with my dad, a heart surgeon, I told him I wasn’t interested in being a doctor. He supported me but was concerned, asking, “How are you going to make a living in software?”

    In grad school at the University of Southern California, I studied artificial intelligence, machine learning, and emerging web software. My first real job interview was with Microsoft in Redmond, where I was considered for two different roles. They liked me for one of them and they paid me to do exactly what I wanted to do.

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    10.75 years: 2006-2016

    Joining Google in 2006 was incredibly exciting. I walked into a place buzzing with energy, innovation, and big dreams. Every day, we worked on projects that pushed the limits of what technology could do—whether it was creating game-changing products like Google WiFi, building smarter advertising platforms, or tackling huge data challenges. The team was filled with talented people all working together to make a real impact. The atmosphere was casual yet driven, and the focus on simplicity, quality, and cutting-edge ideas made every project feel meaningful. It was a time of fast-paced learning and growth, and being part of such an innovative culture made me feel like I was truly at the heart of the tech world.

    The Entire 2008
    Google Engineering Leadership Team
    Goofing Around
    (I'm pretending to be on the phone)

    Notable Projects


    • Revolutionize Mesh Routers, Senior Engineering Director

      With an incredible team, we built the strategy, product, engineering, and retail expansion for OnHub and Google WiFi, growing from zero to 150 people across disciplines. Google WiFi was innovative in design and functionality, integrating advanced hardware, intuitive mobile apps, robust cloud systems, and smart algorithms from scratch. This holistic approach produced a visually appealing, user-friendly router with superior performance and reliability. Google WiFi won numerous design awards and high praise from top-tier press, marking it as a standout in consumer technology. The final product embodied Google’s commitment to simplicity, quality, and cutting-edge capability. Its plug-and-play setup, seamless mesh networking, and smart optimization revolutionized the home networking experience, setting new standards for design, ease of use, and connectivity. By redefining home WiFi expectations, Google WiFi not only bolstered Google's reputation for innovation but also pushed the entire industry toward more user-centric and advanced solutions.

    • Google Advertising, Senior Engineering Director

      Our team built a comprehensive platform for Google’s core advertising business, focusing on CRM to track millions of advertisers—especially SMBs and mid-market buyers. By leveraging artificial intelligence, the platform analyzed advertiser data to uncover growth opportunities, optimize ad spend, and predict trends, enabling sales and marketing teams to engage proactively and tailor solutions effectively. This AI-driven approach identified untapped markets and refined strategies, fueling growth for Google and its customers. The platform’s intuitive design and powerful analytics led to widespread adoption, quickly becoming the global system-of-record. Its focus on SMBs and mid-market segments, combined with advanced AI insights, ensured efficient management and strategic nurturing of advertiser relationships, laying the foundation for Google’s CRM product.

    • Fast Big Data, Engineering Director

      We built systems like Dremel and visualization systems to handle the avalanche of big data and transform it into actionable information. Initially, the team was challenged with heterogeneous storage systems and formats, verticalized and enmeshed data and code, and many querying and visualization frameworks. The team unified analytical processing by integrating ad hoc query, pipelines, and self-service dashboards, backed by Google’s massively scaled data storage.

    • Engineering Productivity & Systems, Engineering Director

      Our strategy was to radically change how Google built software. In the process, we helped the entire industry deliver massive cloud-based systems by building the fastest and most scalable automated development environment in the world: 150M builds/day, 20 check-ins/min, 170M LOC, one source tree. In 2006, our tools were considered the highest priority issue facing engineering, and by 2012 these tools were voted "the MOST valuable resources to engineering." We moved the company from 30-day release cycles to hourly. I led the strategy and innovation behind the company-wide technical and cultural effort to radically improve product velocity and quality. We created and open-sourced a huge suite of tools used to improve web development. Many of the largest companies in the world use our tools, which became core technology in browsers, APIs, and frameworks. The short list: Angular, Selenium, WebDriver, Paco, Axsjax.

    pretty cool

    Insights


  • When I first arrived at Google, I felt like Darth Vader arriving on Endor. The Ewoks deeply hated Microsoft and everyone from the Death Star. At Google, I learned that deeply understanding company culture, building strong networks with influential colleagues, and persistently advocating for positive change are key to professional growth. Immersing myself in the company’s ethos taught me the importance of active listening, strategic thinking, and maintaining a long-term commitment to goals. I discovered that a long term vision, deep relationships, and a focus on giving back—mentoring colleagues and supporting their growth—were critical in effecting meaningful, company-wide improvements. By making sure the interests of the team were considered, I learned that nurturing those around you is as important as achieving technical and strategic milestones. This approach underscored the value of patience, resilience, and a people-first mindset in driving innovation and sustainable progress.

    Awards


    • National Assn of the Deaf: Award of the Year, 2010

      The National Association of the Deaf honored Google with the Award of the Year for its innovative work on automatically captioning YouTube videos. Initially an accessibility tool for the Deaf and hard-of-hearing, the technology quickly transcended its original intent. Using advanced speech recognition and machine learning, Google’s captioning now serves billions worldwide, improving video comprehension and engagement across diverse audiences. The award acknowledged not only Google’s commitment to accessibility but also its broader impact on making online video more inclusive and usable, setting a new standard for digital communication.

    • IEEE Company of the Year, 2013

      The IEEE named Google Company of the Year for the work my team did on Google Crisis Response System. We were recognized for our, "outstanding humanitarian efforts." Our innovative system built into Android improved emergency management during disasters by providing real-time data, coordinating resources, and supporting quick decision-making. Crisis response involves rapidly gathering and sharing information, mobilizing aid, and managing resources to save lives and reduce harm. The award highlighted how Google's system has transformed how communities and emergency teams handle crises, setting a high standard for using technology to serve the greater good.

    • Google WiFi, 2015-2020

      Amazon Best Selling Mesh Router: Google Wifi, 2018-2020
      Red Dot: Product of the Year
      Prestigious IDSA Gold Award
      International iF Award
      Good Design, Australia
      Spark 2016: Gold
      Design 100: Gold - Best Connected Device
      International Design Awards: Gold

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    4.5 years: 2018-2022

    At Amazon, I reported to Colleen Aubrey (SVP and Amazon S-Team member) and held the role of a "single-threaded leader." I led a P&L for a multi-billion dollar cross-disciplinary team (product, engineering, applied, and data science) dedicated to innovation in advertising. I drove strategy and execution of the world's fastest-growing ad program at the time, which included the flagship Sponsored Brands program and a strategy encompassing Brand Stores, Metrics and Analytics, Business ROI, and various emerging programs.

    Shanghai - Dec 11, 2019
    I'm speaking to +10,000 Sellers
    (hindsight: world's largest super-spreader)

    Remarkable Business Impact


  • Merkle’s Q1 2021 Digital Marketing Report: Spending on Amazon’s Sponsored Brands ads grew a healthy 25% year over year (YoY) last quarter and now account for 23% of Amazon’s pay-per-click ad business. For comparison, Merkle reported that spending on Amazon’s Sponsored Products ads only grew 0.1% YoY. Companies like Pacvue and Tinuiti also reported higher growth rates for spending on Sponsored Brand ads (89% and 86%, respectively) compared with Sponsored Product ads (41% and 28%).

    They expected Amazon to pull in $19.36 billion in ad revenues this year, making up 11.3% of US digital ad spending.

    Notable Projects


    • Sponsored Brands Advertising, Vice President

      Sponsored Brands revolutionized digital advertising by combining rich visuals, prominent placement, and relevant search results to engage shoppers more effectively than traditional ads. This approach was innovative because it personalized the shopping experience and integrated seamlessly into the customer journey, setting a new standard for e-commerce advertising. The success of Sponsored Brands was so impactful that major retailers like Walmart began to adopt similar strategies, underscoring its influence on the industry. Under my leadership, the Sponsored Brands program grew exponentially, generating over $3 billion in annual recurring revenue. This milestone highlighted not only the program's effectiveness in boosting sales for advertisers but also its role in cementing Amazon's dominance in the performance advertising landscape.

    • Brand Stores, Vice President

      Amazon Brand Stores are customizable, multi-page storefronts within the Amazon marketplace that allow brands to showcase their full product portfolio and tell their unique brand story. These dedicated spaces enable brands to create a curated shopping experience through rich visuals, videos, and tailored content that highlight key products and promotions. Brand Stores are important because they increase brand visibility, enhance customer engagement, and drive higher conversion rates by providing shoppers with an immersive and cohesive brand experience. They also offer valuable insights through Amazon’s analytics, helping brands refine their marketing strategies, optimize product placements, and build stronger customer relationships within the vast Amazon ecosystem.

    Amazon's Ad progress remains strong, growing 24% YoY from $38B in 2022 to $47B in 2023, primarily driven by our sponsored ads.

    Insights


  • During my time at Amazon, I immersed myself in the company's mechanisms and document-driven culture, crucial to its success and innovation. I learned the value of structured processes, like the Working Backwards approach, which starts with the customer experience and develops solutions to meet those needs, instilling a strong customer-centric mindset. Amazon's emphasis on written narratives over presentations helped me refine my ability to analyze thoroughly and make informed decisions, ensuring alignment among all stakeholders through clear documentation. This approach fostered critical thinking and deeper understanding. The company's focus on metrics taught me the significance of data-driven decision-making. Metrics were central to operations, driving continuous improvement and accountability. This focus allowed me to track progress, optimize processes, and quantify initiative impacts effectively. My Amazon experience reinforced the importance of systemic processes, comprehensive documentation, and a commitment to data-driven performance and innovation, which have shaped my professional approach and leadership style.

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    2 years: 2022-2024

    As the Chief Engineering and Product Officer at Zendesk, I led a global team of 1,900 people to maintain and enhance our edge in the evolving customer service market. When OpenAI's ChatGPT emerged, stakeholders worried about GenAI disrupting traditional service models. I spearheaded a strategic pivot toward AI-driven automation, combining in-house development, partnerships, and acquisitions to stay ahead of competitors. Under my leadership, we launched over 200 annual releases, migrated customers to modern solutions, and implemented integration features to improve platform flexibility and performance. I also optimized operational efficiency and stakeholder communication, exceeded cost-saving targets, and maintained strong customer engagement to meet ambitious growth objectives set by our new board.

    2022 Zendesk Tech Leadership Team Celebrating

    Building beautiful and simple technology has excited me my entire career. The types of products I like working on are those that change the way people interact with software – products that improve the way we live or work – and Zendesk checks all of those boxes.

    Innovation Delivery


  • Within 24 months, our team transformed our release process by launching over 200 releases through better execution, meticulous planning, effective project management, and rigorous goal tracking—a stark change from our previous struggles to release products. Together, we introduced new SKUs for AI, advanced data privacy and security, and workforce engagement management, while also driving M&A diligence and integrating Tymeshift, Klaus, and Ultimate. On a compressed timeline, we pivoted the entire company strategy to focus on ML/AI, driving significant business progress in just six months and leading to the highest-impact first-year product launch in Zendesk history. Our transformation delivered extensive automated responses and hundreds of millions of predictions, while modernizing and migrating customers to a new productivity surface. This migration enhanced customer satisfaction, saved agent time, and set the foundation for future expansion. By introducing a new omnichannel backend for higher scale and better performance, we minimized new feature development costs and strengthened our infrastructure. Additionally, we launched integration features enabling companies to share data models, greatly improving the admin experience, agent UI, workflows, and reporting capabilities, and rebuilt our chat and messaging infrastructure for better scale and unified administration. These efforts demonstrated our commitment to our customers, mitigated churn risk, and set the stage for future growth.

    Stakeholder Management


  • The Board's expectations were clear: investments needed to show a positive ROI, products had to maintain a leadership position in the mid-market measured by GRR, and we needed to accelerate the development of generative AI customer service solutions. These constraints required bold and timely recommendations, balancing the need for innovation with the financial and operational realities of delivering a mission-critical service used by 100K businesses. Business customers' satisfaction and continued loyalty were directly linked to our success, demanding execution excellence while modernizing and differentiating the platform. They sought faster, more efficient ways to handle large volumes of high-quality support inquiries while maintaining neutral OpEx, and their expectations for online support grew post-pandemic, expecting fast responses across multiple channels like voice, email, chat, and SMS. Meanwhile, the entire employee population looked for optimistic leadership and signals that we were invested in Zendesk's long-term success and growth. To foster this confidence, our team delivered several levels of communication, including written strategy summaries, regular reviews, annual tech meetings, weekly video updates, and regular innovation demos and write-ups.

    Company Leadership


  • I managed a global organization of 1,900 people, including 1,300 engineers, 150 product managers, and specialists in applied/data science, design, security, and project management. Distributed across the AMER, APAC, and EMEA regions with a dozen significant sites and primary hubs, I developed a talent hiring strategy that contributed to significant non-employee cost savings and exceeded combined cost-saving and gross margin targets, directly impacting the company's financial success. Using employee feedback, I established a performance feedback mechanism that reshaped management—reducing the number of managers by 30%—and implemented a low-performance process to transition out the lowest performers while focusing on strengthening our top leaders. We hired and ramped up around 350 new team members, many in AI, and launched a new R&D site in Pune, scaling it to critical mass within two quarters. Additionally, I onboarded new leadership (e.g., CISO) and teams in multiple global locations, improved the span of control, and ensured that all employees received effective manager feedback, enhancing overall team morale and productivity.

    Customer Obsession


  • I served as Executive Sponsor on 20 top Fortune 500 accounts, and we establishing an intake and triage process for feedback and feature requests from 100K customers and conducting 50 trips to our distributed sites and our biggest clients such as TicketMaster, The Home Depot, and Four Seasons. I partnered with Sales to develop ROI reports for each customer—delivered in product demos, sales meetings, and emails—that provided actionable improvements to optimize practices, enhance product use, and boost customer experiences and agent productivity. Collaborating with Premier Support teams, we launched a “Single Customer Outage” practice that reduced the time to communicate issues, increased direct engagement with product and engineering leaders, and cut time-to-resolution by over 50% for more than 4 million worldwide agents. we also greatly improved security incident response by reducing mean time to acknowledge incidents by 95% and mean time to resolve by 86%, securing releases through 189 engagements and activating secret scanning for all code repositories. Additionally, we introduced features aimed at improving agent's First Response Time and reporting productivity, such as Messaging Service Level Agreements and Auto Accept, which significantly reduced response times. These efforts, combined with operational improvements and an OpEx dashboard to prioritize work, helped achieve and maintain 99.96% platform stability.

    My work has spanned hardware, operating systems, infrastructure, data systems, artificial intelligence, algorithms, tools, and consumer-facing products. I’ve managed diverse, distributed teams of all sizes, and I feel incredibly lucky to have partnered with some of the best minds and leaders in the industry. I love teaming up with smart teams to turn ideas into products that genuinely help people across the globe. I’m driven by curiosity, continuous learning, and making a positive impact. My proudest achievements are closer to home: raising three fantastic kids, being a supportive partner, and showing up as a dependable son. These personal milestones shape my approach to leadership, collaboration, and building meaningful things. For many years, my title on LinkedIn was “Aspiring Runway Model”—but it turns out software innovation has been more thrilling than strutting down the catwalk. I guess the fashion world will just have to wait. Click the icons above to explore my journey.

    Professional Resume


    • Tech & Company Leadership

      Led tiny and large, diverse teams across global regions, and driving organizational changes, talent hiring, and efficiency improvements.

    • Strategy & Product Vision

      Pioneered and launched industry-recognized products and solutions, including deep hands-on AI-driven customer service capabilities at Zendesk and the Sponsored Brands program at Amazon.

    • Customer Obsession & Engagement

      Fostered strong relationships and engagement with top Fortune 500 accounts, understanding customer needs and driving satisfaction and loyalty.

    • Stakeholder Management

      Engaged and communicated effectively with a board of directors and diverse stakeholders, ensuring alignment with strategic goals and financial outcomes.

    • Cross-Disciplinary Coordination

      Worked collaboratively across various domains (e.g., sales, marketing, finance, operations) to drive innovation and business growth, as seen in roles at Amazon and Google.

    As a Member of the Board of Trustees at Harvey Mudd College, I am involved in furthering the institution's mission to educate and nurture the next generation of leaders in science, engineering, mathematics, and a broader understanding of societal impact and ethical considerations. My work as a trustee is guided by the belief that developing diverse minds is fundamental to solving the complex challenges of our time.

    Work Feedback


    • Amazon

      Manager 2022: "Pat is the Ethan Hunt of engineering and product leaders. He thrives on going after the impossible mission, the big idea others are scared to tackle, or fighting for the underdog. From an impossible mission he creates clarity, energy, and belief that the impossible is possible. When things start moving, he simplifies and drives towards high velocity delivery."

    • Google

      Manager 2016: "Pat is a highly effective manager and leader who not only raises the bar for the entire team but who also sets a great positive example that others can follow. He has a strong track record of building and renovating teams at Google, and brings in strong senior level talent. Over the past 18 months he’s hired some of the best talent from the industry to help us."

    • Microsoft

      Promoted 7 times in 11 years. During this time, moved from an entry-level individual contributor to an Engineering Director leading major business lines.

    • Peers

      "I've been really impressed by Pat this past year. His team's financial success is stunning of course. But also his presence as a cross-division leader, driving progress in a new area across the whole company."

    • Direct Reports

      "Pat's super power is being a great motivator. On every interaction, Pat's positive energy, friendly demeanor, and direct communication have served to boost the morale of the team. He keeps me energized and focused on the customer. When problems arise he takes a humanistic approach to solving them, especially when it involves team members. A characteristic that is greatly appreciated."

    • Tech Critics

      New York Times: The Wi-Fi Router Steve Jobs Might Have Built
      "The most exciting moments in tech come along when some genius takes a look at the sorry, complicated state of a particular technology — and vows to remake it with beauty and simplicity....It looks and feels a lot like it could be the cornerstone of Google’s future home-automation archipelago."