Our Team

Peter Thomson
Peter ThomsonFounder & Managing Director
Peter J. Thomson is a Director of Thomson Reuters Corporation and the Chairman and Founder of Thomvest. Peter founded Thomvest in 1996 based on his enthusiasm for technology and its increasing impact on our lives. Peter sets the investment strategy and direction for the Firm and is committed to helping entrepreneurs build industry-leading companies in large and growing markets. Peter is also the source of capital for the Firm.

Prior to founding Thomvest, Peter worked on three continents for subsidiaries of The Woodbridge Company of Toronto, during which he gained a broad range of operational and strategic experience. Peter currently serves as the Co-Chairman of The Woodbridge Company. In addition to his work with Thomson Reuters, The Woodbridge Company, and Thomvest, Peter owns a rally racing team, Thomson Motor Sport, for which he has won a number of titles as a competitive rally racer.

Don Butler
Don ButlerManaging Director
Don works with entrepreneurs in the financial technology, advertising technology, and enterprise software-as-a-service markets. Don currently serves on the Board of Directors for companies in each of these focus areas including Apsalar, DataXu, and Vungle (in the adtech space), Kabbage (in the fintech space), and Axcient and NetBase (in the enterprise SaaS space). Together with the team at Thomvest, prior investments include Lending Club (NYSE: LC), FlashSoft (acquired by SanDisk), GuardianEdge (acquired by Symantec), and Okena (acquired by Cisco). Prior to Thomvest, Don led the Asian business development efforts for several startup companies in the multidimensional data analysis and networking industries as part of his work with Asia Pacific Ventures. He also spent three years as an Analyst with Lehman Brothers, where he worked with clients in the software and semiconductor industries. Don received a B.A. in Chinese from UCLA and M.A.s in both East Asian Studies and Political Science from Stanford University.
Stefan Clulow
Stefan ClulowManaging Director
Stefan Clulow is Managing Director and Chief Investment Officer of Thomvest Asset Management, a private investment firm affiliated with Thomvest Ventures. Stefan directs Thomvest Asset Management’s asset allocation and portfolio construction, and also helps structure Thomvest’s venture investments, liquidity events, and credit investments. Stefan sits on the boards of Inxent and Prometic Life Sciences, and previously served on the boards of Tactus Technology, DataXu and Public Mobile (acquired by Telus). Prior to joining Thomvest, Stefan practiced law in Silicon Valley and Toronto, Ontario. Stefan received a B.A. (Great Distinction) and an LL.B. (Distinction) from McGill University. He is a member of the State Bar of California and the Law Society of Upper Canada.
Jonathan Barker
Jonathan BarkerVenture Partner
Jonathan’s diverse background includes managing the China subsidiaries of two Fortune 500 companies: Commercial Metals Company and EchoStar Communications Corporation; co-founding a Silicon Valley-based video search technology company – MeeVee – as well as developing strategic marketing and distribution plans, structuring and negotiating financial and commercial transactions, and carrying out due diligence for more than two dozen multinational companies and investment banks.

Jonathan sits on the board of Tactus Technology. He holds a Master’s degree in East Asian Studies from Harvard University and a Bachelor’s degree in Chinese from the University of Wisconsin-Madison.

Umesh Padval
Umesh PadvalVenture Partner
Umesh focuses on investments in security and enterprise IT-focused sectors. He currently serves as a Board member at Avalanche Technology, Avnera, Blue Willow Systems, Integrated Device Technology, Skyhigh Networks and Tactus Technologies.

Prior to joining Thomvest, Umesh was a successful entrepreneur, investor and CEO of a public company. He most recently worked for over 8 years at Bessemer Venture Partners in their office in Menlo Park. Prior to Bessemer, he worked as an executive vice president at LSI after its acquisition of a public video infrastructure and distribution company, C-Cube Microsystem. At C-Cube, Umesh served as president and CEO and grew the company profitably to over $300m in revenue and 500 employees with a global presence.

Previously he was a board member at C-Cube Microsystem (Public, Sold to LSI), Entropic Communications (Public, Sold to Maxlinear), Silicon Image (Public, Sold to Lattice), Elantec (Public, Sold to Intersil), Berkeley Design Automation (Private, Sold to Mentor Graphics), Monolithic Power systems (Public), Tilera (Private, Sold to EZ chip) and PA semi (Private, Sold to Apple).

Umesh holds a Bachelor in Technology from Indian Institute of Technology, Mumbai and a Master’s degree in engineering from Stanford University. He served on several advisory boards at Stanford University and currently serves on the board of Palo Alto Medical Foundation and Sutter Medical group.

Bob Pape
Bob PapeOperating Partner
Bob Pape has joined Thomvest as an Operating Partner. He has served as CFO of several high-tech venture-backed companies, most recently NetBase Solutions, Inc., a leading social media analytics Company. Bob has managed 3 IPO’s, a secondary offering and several early and late-stage Venture Capital financings. He has managed the acquisition and sale of Companies, products, divisions and product lines. In addition to the traditional CFO role, Bob has a wide-range of experience, having served as CEO, COO, Division General Manager and SVP-Manufacturing at various times. In addition to Thomvest, Bob has worked with investors and Board members of several prominent venture capital firms including Kleiner Perkins, etal, Sequoia Capital, Sierra Ventures, Austin Ventures and Granite Global. Bob has a BSBA degree from Rockhurst University in Kansas City, MO.
Justin Moore
Justin MooreVenture Partner
Justin is the CEO of Axcient, which currently protects nearly 3 billion files and applications in the cloud and ensures data and application uptime for businesses. Justin has a broad background as an entrepreneur and investor and is recognized as an authority on cloud computing, business-to-business strategy, corporate culture and early-stage company creation. He is regularly featured on television and in print, including appearances on CNBC, in Entrepreneur, Inc., Forbes, The New York Times and numerous other news outlets.

Prior to Axcient, Justin founded MK Global, which provided an innovative approach to addressing the surplus of secondary market telecommunications equipment after the dot-com collapse. Prior to MK Global, Justin founded CollegeJobs.

Kip Knight
Kip KnightVenture Partner
Kip’s 30 year career includes senior management and marketing positions with P&G, PepsiCo and eBay. Kip also serves as the Dean of the U.S. Marketing Communication College at the U.S. State Department. He earned his B.S. degree from LSU in marketing and his MBA from the University of Cincinnati. Kip currently a Board Observer for Netbase and the Board of Advisors for YottaMark. Kip is also the President of KnightVision Marketing, a leading marketing consultancy based in Silicon Valley.
Mark Prior
Mark PriorEntrepreneur in Residence
Mark has been building advertising technology for nearly 20 years, including industry-defining roles at Netgravity, DoubleClick, and Yahoo! Most recently, Mark was an early contributor to Rocket Fuel’s meteoric rise to global DSP powerhouse, with focus on product, pricing, and market strategy. He led both the firm’s shift into mobile and rapid expansion into Europe, Asia, and Latin America.

He is currently an Entrepreneur in Residence at Thomvest Ventures, assisting their portfolio companies and evaluating new investment opportunities.

Mark holds a BS in Mechanical Engineering from Stanford University and a joint MBA from the University of Navarra (IESE) in Spain and China-Europe International Business School (CEIBS) in China.​​

Laura Cain
Laura CainAssociate
Prior to joining Thomvest, Laura worked at Deloitte Consulting as part of the Technology Strategy & Architecture division. There, she focused on advising clients on cloud computing, enterprise architecture, IT cost optimization, and M&A. She served a broad range of clients across healthcare, information technology, finance, hospitality, and consumer product industries. Prior to Deloitte, Laura held two internships at Chevron and performed research for the Haas School of Business. Laura graduated from the UC Berkeley with a BS in Business.
Nima Wedlake
Nima WedlakeAssociate
Nima focuses on the advertising technology sector at Thomvest, supporting portfolio companies and evaluating new investment opportunities. His background is in management consulting, advising both startups and large enterprises on issues related to sales and go-to-market strategy, product-market fit, and sales forecasting. Prior to joining Thomvest, Nima was an associate consultant at ZS Associates, assisting a wide range of clients in the high tech and biotech industries. Nima is originally from the Bay Area and graduated from UC Berkeley with a Bachelor’s degree in Business Administration.
Kareem Aly
Kareem AlyAssociate
Kareem joined Thomvest Ventures in 2016. He focuses on evaluating new investment opportunities, conducting financial & business due diligence, and supporting existing portfolio companies. Prior to joining Thomvest Ventures, Kareem worked in the Technology, Media & Telecom Investment Banking group at Deutsche Bank. There, he advised corporate clients in the Internet, software and hardware sectors on equity and debt financings, as well as M&A and leveraged buyout transactions. Originally from southern California, Kareem earned a BA in Business Economics from the University of California, Los Angeles in 2014, where he graduated cum laude and Phi Beta Kappa.
Daphne Ewing-Chow
Daphne Ewing-ChowResearch Analyst
Daphne has been involved in strategic consulting and knowledge management across a number of sectors over the past thirteen years. She has held senior positions at Deloitte & Touche and Ernst & Young as well as a number of financial services companies. She is an avid writer and contributor to a number of publications. Daphne attended the University of Michigan, where she received a Bachelor of Arts in Sociology and at Columbia University in New York, where she received a Master’s in International Affairs.
Josie Zhao
Josie ZhaoOperations and Marketing Manager
Josie joined Thomvest Ventures in 2016 as the Operations and Marketing Manager. She helps the firm with marketing, business operations, and business development. Prior to joining Thomvest, Josie worked at a few fast-growing VC-backed tech startups in San Francisco. There, she focused on digital marketing in e-commerce and collaborative consumption businesses. During her tenure at the most recent company, she helped successfully double the revenue. Previously, Josie pursued a BFA at Academy of Art University, where she majored in Fashion Merchandising.