Investor Relations


Executive Team

Mike Rosenbaum,
Chief Executive Officer

Mike Mike Rosenbaum serves as Guidewire’s Chief Executive Officer and has overall responsibility for the company’s global strategy, organization, culture, and operations.

Prior to Guidewire, Mike was part of the team at Salesforce for almost 14 years where he held several leadership positions and drove many of Salesforce’s most notable product achievements. Most recently, Mike served as EVP Product, leading the product management and go to market strategy for Salesforce’s core CRM product lines Sales Cloud, Service Cloud and Salesforce’s Platform business, and led the launch of Salesforce Lightning, a next generation user experience framework. Prior to that, Mike led Salesforce’s Platform organization and the AppExchange ecosystem.

Prior to Salesforce, he held various technology and marketing roles at Siebel Systems and spent five years serving in the U.S. Navy as a submarine officer onboard the USS Nevada.

Mike is a graduate of the United States Naval Academy where he earned a bachelor’s degree in Systems Engineering and The Haas School of Business at the University of California Berkeley where he earned an MBA. He is passionate about building great teams and delivering innovative products and platforms that deliver value for customers, partners and shareholders.

Priscilla Hung,
Chief Operations Officer

Priscilla Hung Priscilla Hung oversees Guidewire's worldwide operations, including product development, corporate and product strategy, presales, product marketing, alliances, information systems technology and security, cloud operations, and customer support. Priscilla has extensive enterprise software experience at startups and public companies. Before joining Guidewire in 2005, she held several management positions at Ariba Inc., including Director of Operations and Director of Global Channels and Alliances. Previously, she held several channel, business development, and product marketing positions at Sun Microsystems, Uniface/Compuware, Pyramid/Siemens Nixdorf, and Oracle Corporation. Priscilla has an M.Eng Industrial Engineering and Operations Research degree from Cornell University. Priscilla serves on the board of ContractRoom, a privately held cloud-based negotiation and deal lifecycle management platform company, and is an advisor to the board of HumanAPI, a privately held company providing a centralized hub for all the medical information used in conventional underwriting.

Jeff Cooper,
Interim Chief Financial Officer

Jeff Jeff Cooper joined Guidewire in 2017 as VP Finance and has overall responsibility for FP&A, Investor Relations, Facilities, and Procurement. From 2016 to 2017, he served as Chief Financial Officer at GoodData, a cloud-based data and analytics platform company. From 2013 to 2016, he was VP Finance at Rally Software, a publicly-traded cloud-based application lifecycle management software company that was acquired by CA Technologies in 2015. Previously, he was an investment banker focused on the software industry at Deutsche Bank Securities. Jeff holds an M.B.A. degree from the London Business School and a B.A. from Princeton University.

Diego Devalle,
Global Head of Product and Engineering

Steven Sherry Diego Devalle has held a number of executive positions overseeing technology and product development in the San Francisco Bay Area, India, and Europe. As Vice President of Software Development at SAP Labs in Bangalore, Diego led the local development team on multiple releases of SAP’s SRM software. As Vice President of Product and Engineering at SAP Labs in Palo Alto, California, he led a team distributed across Shanghai, Montreal, and Palo Alto that delivered SAP Business suite solutions. As Senior Vice President of Product Development at Monitise, he integrated the company’s development team after its acquisition of Clairmail and introduced agile methodology. Diego started his career in Italy , where he followed his passion for technology and in 1992 co-founded Italy’s first online community,, where he pioneered digital marketing and e-commerce before moving to the Netherlands to join Baan and begin his career in enterprise software.

Steven Sherry,
Chief Sales Officer

Steven Sherry Steven Sherry has a successful track record of enterprise application sales management at large enterprise software companies. As Guidewire’s Chief Sales Officer, he leads the company's organizations for global sales, sales operations, customer relationship management, and partner alliances. His teams are focused on achieving alignment between Guidewire’s core, data, and digital product portfolios and the transformation agendas of property and casualty insurers. Previously, as Group Vice President for Americas Sales, Steve was instrumental in leading Guidewire’s sales teams to success over the past decade throughout the United States, Canada, and South America. Before joining Guidewire, he served as Area Vice President for Oracle Corporation as well as Vice President for Worldwide Sales at Siemens Corporation. Steve has a B.S. in Marketing and Business from Arizona State University.

Eileen Maier,
Chief Transformation Officer

Eileen Maier As Chief Transformation Officer, Eileen Maier has global responsibility for enterprise-wide change initiatives. Eileen’s team ensures that Guidewire’s change initiatives align with overall business strategy and encourages a systematic and streamlined approach to communication, collaboration, planning, and execution. Since joining Guidewire in 2005, she has had executive leadership roles across sales, marketing, and go-to-market functions. Before joining Guidewire, she held several positions in presales at PeopleSoft and Oracle, as well as a variety of underwriting and management positions at Liberty Mutual Insurance. Eileen holds a B.A. in English from Loyola University, Baltimore, and an MBA from Suffolk University, Boston.

Brian Desmond,
Chief Marketing Officer

Brian Desmond Brian Desmond is responsible for Guidewire’s global marketing efforts, including demand generation, branding, product and solution marketing, sales enablement, and communications. Brian joined Guidewire in 2006, and during his tenure the company has been recognized as an industry-leading brand serving customers in 30+ countries. He has more than 25 years of experience in the high-tech industry. Prior to Guidewire, he served as Vice President of Marketing for PeopleSoft’s Supply Chain division and held marketing leadership and product marketing roles at Ketera, Ariba, and Tradex. Brian began his career at Accenture. He has a Bachelor of Commerce degree from University College of Cork, Ireland.

Mike Polelle,
Chief Delivery Officer

Mike Polelle Mike Polelle is Chief Delivery Officer and responsible for Guidewire’s professional services including Consulting, Education, and Support. In this role he is responsible for ensuring customers obtain the maximum value and success in utilizing Guidewire solutions. Mike brings 25 years of experience of building and managing enterprise application services organizations, both in services only companies as well as end-to-end solutions providers. Prior to joining Guidewire Mike was Senior Vice President for Americas Services for JDA, a leading supplier of enterprise supply chain systems where he led the organization through several transformations including the merger with Red Prairie. Prior to JDA Mike served as Vice President of North American services for both Manugistics and QAD, and a variety of management positions at Accenture, Grant Thornton, and TDS. Mike holds a B.S. In Applied Math, Engineering, and Physics from the University of Wisconsin and an M.B.A. In Operations Management from the University of Minnesota.

Alexander C. Naddaff,
Chief Cloud and Customer Officer

Alexander Naddaff In his role as Chief Cloud and Customer Officer, Alex Naddaff leads Guidewire’s Customer Success, Value Consulting, and Support teams. His teams partner with customers to maximize the value of their Guidewire investments and to ensure that customer interests remain a top priority for the company. Alex served as Guidewire’s Vice President of Professional Services from 2002 to 2014, building the group from a one-person operation into a global organization of more than 500 employees working in over 21 countries. In his career, Alex has played a key role in designing technology solutions for the insurance industry and ensuring successful customer implementations. He brings more than 20 years of experience building, implementing, and managing mission-critical systems for major financial institutions. As Vice President of Claims Technology at Hartford Financial Services, Alex established a multi-year strategic direction and led the implementation of claims technology for more than 6,000 claims staff supporting the auto, property, general liability, and workers’ compensation business lines. Prior to that, he was First Vice President of Credit Systems at MBNA America, where he developed systems for credit line management, credit application processing, and imaging. He was previously a Vice President at J.P. Morgan. Alex has a B.S. from Wagner College.

Winston King,
Chief Administrative Officer and General Counsel

Winston King Winston King is responsible for Guidewire’s worldwide administrative functions, including human resources, legal, recruiting, business technology, and corporate services, while also serving as Guidewire’s General Counsel and Secretary. Prior to Guidewire, Winston served as EVP, General Counsel, and Secretary at Infogroup Inc., a marketing data, services, and research firm. Previously, he was with WilmerHale, an international law firm, where he worked primarily in the corporate, M&A, and securities enforcement areas. Winston served as a clerk to Judge Bruce Selya on the U.S. First Circuit Court of Appeals. He is a graduate of the Vanderbilt University School of Law and earned an economics degree with honors from Duke University.

Kirk Sanford,
Chief Information Security Officer

kirkKirk Sanford is Guidewire’s Chief Information Security Officer (CISO). He has 20 years of experience leading technology and security teams in SaaS and Fortune 500 companies, including eBay, PayPal, and Qualtrics. While at eBay, he was responsible for all production and corporate security engineering and operations functions. He also established eBay’s first Office of Information Security Policy and Compliance. During part of his career, Kirk worked with growth companies by providing security, architecture, and C-level leadership consulting services. He is also a co-inventor of four security-related patents.

Paul Mang,
General Manager, Analytics and Data Services

exec-paul-mang Before joining Guidewire in 2018, Paul Mang served as the Global CEO of Analytics at Aon plc, a leading professional services firm providing a broad range of risk, retirement, and health solutions around the globe. Paul was also the Managing Partner at Avarie Capital LLC, a strategic advisory and investment firm focused on new ventures in fintech. He was a Partner at McKinsey & Company and a leader in its North American Insurance practice. During his 14 years at McKinsey's offices in both Chicago and London, he counseled numerous clients on issues of strategy, organization, and operations. Prior to McKinsey, Paul was on the faculty of the Graduate School of Business at the University of Texas at Austin. His research in technology strategy, entrepreneurship, and innovation management has been published in journals such as Strategic Organization, Journal of Economic Behavior and Organization, Research Policy, and McKinsey Quarterly. Paul holds a doctorate from Harvard University and both an MS in Engineering and a BA in Economics from Stanford University.

Keith Stonell,
Managing Director, EMEA

KeithKeith Stonell joined Guidewire in January 2013 and has led the EMEA business through consistent growth, including doubling revenue and customers between 2016 and 2019. We now have more than 75 EMEA insurers using our products in 16 countries. Based in our London office, Keith is responsible for 650 employees and 12 offices, and he’s leading the next phase of investment to further develop regional business. He previously worked at Temenos Software, where he led a portion of the European and Emerging Markets operations. Prior to that, he acted as the managing Director for EMEA for the Financial Services Division of Misys PLC. Both Temenos and Misys are large enterprise software companies selling core systems to the financial services industry. He also ran software operations in the Asia-Pacific region. Keith has a BSc Econ degree from Southampton University.

Neil Betteridge,
Vice President, Strategy

neil-betteridg As Guidewire’s Vice President of Strategy, Neil Betteridge is responsible for shaping Guidewire’s strategic direction. Previously, Neil held the role of Guidewire’s Director of Product Marketing where he was instrumental in the marketing strategy, positioning, and direction of Guidewire’s product suite. Neil has over 25 years of professional experience with the last two decades focused on development, implementation, marketing and management of technology solutions in the insurance industry. Prior to Guidewire, Neil was with Skywire Software (now Oracle), as Vice President of Product Management. Neil also served as Vice President of Marketing with InSystems. Earlier in his insurance industry carrier, Neil held a variety of marketing and technical positions at other software providers. In addition to his professional experience, Neil holds a Bachelor of Science in Mathematics and Computer Science from McGill University.