Board of Directors

Board of Directors

Joseph Ansanelli, Partner, Greylock Partners

Joseph is a Partner at Greylock focused on investing in enterprise applications, security and storage as well as new emerging mobile applications.

Prior to joining Greylock, Joseph spent the majority of his career as an entrepreneur. He was CEO and co-founded several companies including Vontu, which was acquired by Symantec in November 2007 for $350 million. Prior to Vontu, Joseph co-founded and was CEO of Connectify which was acquired by Kana and subsequently went public in 1999. Joseph also worked at Macromedia and Apple which acquired his first company, Trio Development.

Joseph received a Bachelor of Science in Applied Economics from the Wharton School at the University of Pennsylvania where he is currently a member of the Wharton Undergraduate Executive Board.

Bio Pic Joseph Ansanelli

Christian Beedgen

Christian Beedgen, Co-Founder & CTO

Christian was at ArcSight from 2001 through January 2010 most recently serving as Chief Architect for the event-based products, both ArcSight ESM and ArcSight Logger. He led development teams that owned and delivered the core of the ArcSight product line across server infrastructure and user interaction. Christian was the first server-side engineer building the ESM backend and growing the server team. He designed and implemented the core backend event handling framework along with the object-relational mapping framework. He was integral in the design and development of core product features such as a flexible framework for real-time query processing and the initial set of stream processors. Christian also co-designed and implemented a patented approach to display large result sets that change dynamically. Prior to ArcSight, he was co-founder of Gigaton, an infrastructure software company enabling distributed file management solution over IP-enabled networks.


Vance Loiselle, President & CEO

As CEO, Vance brings over 20 years of IT industry experience across software, services and data center management. Vance joined Sumo Logic from BMC, where he was VP of the $200M Global Services business and VP of ESM Marketing and Sales Operations. Vance joined BMC through the $800M acquisition of BladeLogic, where he was a co-founder and VP of Operations; during his tenure at BladeLogic he also held senior management positions in sales and marketing, product management and field operations organizations. Prior to BladeLogic, Vance was Managing Director of ASP Business Operations for Breakaway Solutions, where he was responsible for defining, pricing and marketing the company's hosting and data center services. Prior to its acquisition by Breakaway, Vance led the ASP division at Eggrock Partners, which designed and built one of the first Web-based CRM solutions. Vance is credited with developing one of the first on-line trading products and is named in two patents for the first XML-based messaging platform in the travel industry. Vance spent the first five years of his career at Accenture in the Technology Practice for Financial Services. He holds a BS from Babson College.

Vance Loiselle

Bio McMahon

John McMahon

John McMahon’s career in enterprise software has focused on building and running world-class sales, marketing, and professional services organizations at five leading software companies. Prior to joining the board of directors at Sumo Logic, McMahon served as senior vice president of Worldwide Sales and Services at BMC Software where he was responsible for $1.4B in annual sales revenues. Prior to BMC, McMahon served as the chief operating officer and senior vice president of Worldwide Sales and Services with BladeLogic. At BladeLogic, McMahon played a critical role in transforming the company from startup to public company, with the company’s initial public offering in 2007, and ultimately the firm’s $880 million acquisition by BMC Software.


Mike Speiser, Managing Director, Sutter Hill Ventures

Mike's current directorships include Clover, Platfora, Pure Storage, and Sila Nanotechnologies, Inc. He is responsible for a number of the firm's seed investments.

Mike joined Sutter Hill Ventures in 2008 from Yahoo!, where he was Vice President of Community products -- he joined Yahoo! through the acquisition of Bix, where he served as CEO. Previously, Mike was Vice President and Technical Advisor to Symantec's Chairman & CEO and served as Vice President of Product Marketing and Product Management at VERITAS Software, which was acquired by Symantec.

He also co-founded Epinions.com, worked as a consultant at McKinsey & Company, and was an analyst with CS First Boston. Mike holds a B.A. from the University of Arizona and an M.B.A. from Harvard Business School, where he graduated as a Baker Scholar.

Bio Mike