Board of Directors

Mike Rosenbaum joined Guidewire as Chief Executive Officer in 2019 and has served on our board since then. Since Mike’s arrival, Guidewire has cemented its position as the leading cloud platform serving the P&C insurance industry, growing cloud adoption by over 500%, tripling cloud revenue, and expanding the Guidewire partner ecosystem to become the largest in P&C insurance.

Mike’s focus on delivering value for customers, coupled with his “ship, shipmate, self” approach to prioritization, continue to shape the industry-leading platform, applications, and content trusted by insurers globally. Prior to Guidewire, Mike led product management and go-to-market strategy for core CRM products at Salesforce and served in the US Navy as a submarine officer.

Mike has served on Guidewire’s board of directors since 2019 and has been Chairman of our Board since March 2024. Since April 2019, he has served as chairman of Guidewire’s customer Strategic Advisory Councils. Mike has also served on the board of Encova Mutual Insurance Group since August 2020. From June 2001 to June 2018, Mike was the Executive Vice President and Chief Information Officer at Nationwide Insurance and Financial Services. From January 1998 to May 2001, he served as Chief Technology Officer at JPMorgan Chase & Co. (formerly Bank One).

Marcus has served on Guidewire’s board of directors since 2001 and was Chairman of our Board from 2019 to 2024, contributing to the company’s strategy and furthering key customer and industry relationships. Since co-founding Guidewire in 2001, he has held many roles, including leading the product, marketing, sales, and services teams. Most recently, Marcus served as CEO from 2010 to 2019, leading Guidewire through its IPO in 2012. During his tenure as CEO, Guidewire became the market-leading provider of mission-critical applications to P&C insurers. Before co-founding Guidewire, he was Vice President of Strategy at Ariba and an Engagement Manager at McKinsey & Company. Marcus has served as a partner at Battery Ventures, a venture capital and private equity firm since 2022.

David has served on Guidewire’s board of directors since October 2022. He currently serves as Managing Partner and Co-Founder of Holding Ground Decision Intelligence LLC, which provides strategic technology assessment and diligence services for investment companies, boards, and executives, a position he has held since January 2020. From November 2014 to January 2020, David served as Managing Partner at Sand Hill East LLP and provided early-stage companies with go-to-market, product, security, technology, and operations advisory services. He also previously served as CTO at Asurion, and CISO at Morgan Stanley and Merrill Lynch.

Margie has served on Guidewire’s board of directors since 2019. From December 1993 to September 2017, she held various executive positions at Liberty Mutual Insurance Company, including Senior Vice President and Chief Financial Officer, Personal Insurance, and Executive Vice President and Chief Customer Officer, US Consumer Markets. Margie has also served on the board of directors of White Mountains Insurance Group, Ltd since May 2021, and the board of Hi Marley since February 2022.

Paul has served on Guidewire’s Board of Directors since 2014 and was Lead Independent Director of our Board from 2019 to 2024. Paul served as the Executive Director of both American Health Holding and First Health Network, which are leading health insurance–related companies and subsidiaries of Aetna, positions he held from 2008 and 2017, respectively, until 2024. Prior to joining Aetna, Paul was a Managing Director at KPMG Consulting/BearingPoint, where his focus was on financial services, primarily insurance. He was formerly a Senior Vice President at Prudential, an executive at Alexander & Alexander, a Principal at Mercer Management Consulting, and an auditor at PricewaterhouseCoopers.

Cathy has served on Guidewire’s board of directors since 2019. She has also served on the board of directors of Cirrus Logic Inc. since 2020 and on the board of Infleqtion since 2023. From 2016 to 2021, Cathy served on the board of IPG Photonics; from 2006 to 2022 she was on the board of Lam Research; from 2013 to 2016, she served on the board of Fairchild Semiconductor International; and from 1989 to 2002 and 2004 to 2016 she was on the board of SanDisk. From June 1992 to December 2018, Cathy was an angel investor and financial consultant to early-stage technology companies via her company Lego Ventures, where she served as the principal. Cathy previously practiced as a CPA with Coopers & Lybrand (now PricewaterhouseCoopers).

Rajani has served on Guidewire’s board of directors since June 2021. She is currently an advisor/investor and director to several private technology companies in the AI, VR, blockchain, IMU/sensor, BIM, and connected (IoT) technology space. From June 2014 to January 2024, she served as a member of the board of ESI Group, a French publicly traded company that provides virtual and prototyping software solutions and services. From June 2000 to March 2014, Rajani held a variety of leadership roles at Salesforce, most recently Chief Operating Officer and Executive Vice President – Technology and Products.