Reach us at 503.226.3939 or

Board of Directors

Tom Spitzer - Tyfone Chairman

Tom Spitzer

Prior to being chairman, Tom was co-founder and CEO responsible for the overall management of the company and investment capital. Prior to Tyfone, Tom was the Managing Principal of Summerville Advisors, a strategy consulting firm. He has extensive experience in working with senior management of financial institutions to provide alternative distribution and management strategies, strategic marketing initiatives, and M&A counsel. Prior to that Tom was a Managing Partner, Board Member, and co-developer of M Financial Group, a company with a distribution force made up of one hundred twenty firms and over $700 million in revenue. Tom served as a board member during the reorganization of SAIF, Oregon’s state accident insurance fund. He has advised venture capital firms on both new ventures and portfolio companies and served as a Senior Advisor to National Financial Partners (NFP/NYSE). Tom is equally committed to the local community. He is on the board of Self Enhancement, Inc. and philanthropically involved in a number of organizations.

Tom is also a member of both the American and California Bar Associations. Tom is located in the US.

R. Ari Arivazhagan
Senior GM, HDFC

Mr. R. “Ari” Arivazhagan is Senior General Manager at Housing Development Finance Corporation (HDFC) Limited. Ari is responsible for all Information Technology decisions and heads that effort at HDFC. He has been with HDFC for over 20 years and holds dual bachelor degrees in Science and Technology as well as a graduate degree in Management. Ari resides in Mumbai, India.

Dr. Siva G. Narendra
Chief Executive Officer

Siva is co-founder and CEO of Tyfone, Inc. Before his current responsibility, he was with Intel Laboratories specializing in energy and yield aware designs. He has authored over 60 technical papers in peer reviewed conferences and journals, and frequently lectures on technology forums. He also has over 100 issued/pending patents and holds 5 divisional recognition awards from Intel and an award in 2003 for having 19 issued patents in that year.

Siva is a frequent speaker at a wide range of forums including ones sponsored by academia and industry as well as organizations such as IEEE, FSTC, CTIA, SmartCard Alliance and FTC. He is a co-author and editor of the Leakage [Energy] in Nanometer CMOS Technologies book published by Springer. Siva is an Adjunct Faculty with the Departments of Electrical and Computer Engineering at Portland State University and Oregon State University. He is the Chair of Technology Directions sub-committee at the International Solid-State Circuit Conference and has been an active member of the Technical Program Committees of A-SSCC, and International Symposiums focusing on Low Power Design (ISLPED) and Quality Electronic Design (ISQED).

Siva has a Ph.D. in Electrical Engineering from Massachusetts Institute of Technology. Siva is located in Portland, US.

Dr. Rajesh Srivathsa
Managing Partner,
Ojas Venture Partners

Dr. Rajesh Srivathsa (previously Rajesh Rajagopalan) is the Managing Partner of Ojas Venture Partners, a Venture Capital firm focused on investing in early stage technology startups. Prior to Ojas, Rajesh has worked at IBM Watson Research Center and at Lucent Digital Video (a venture of Lucent Technologies) in research and engineering functions; at Emuzed (a mobile multimedia startup) as the Head of Sales and Marketing and most recently at Aricent (a KKR, Sequoia and Flextronics owned telecommunications services company) as the business head of the mobile business unit.

Dr. Srivathsa holds a Bachelor of Technology, Master of Science and a Doctor of Philosophy degree from the National Institute of Technology, Karnataka, University of Texas at Austin and the University of Illinois at Urbana-Champaign respectively.

Prabhakar Tadepalli
President &
Chief Operating Officer

Prabhakar is co-founder, President and COO of Tyfone, Inc. Prabhakar is a seasoned technology executive and is responsible for all product and business development aspects of Tyfone in Asia-Pacific and is responsible for developing the strategic plans for the company.

Previously, Prabhakar was Founder, CEO of Finatus, Inc, a venture-backed, web-application outsourcing company and was responsible for all the strategic and business management aspects of the company. Prior to founding the company, he was responsible for Strategic Planning at Intel Online Services, and also was part of the Intel Architecture Business Group’s (Reseller Products Division) Small Business Services/Business Development team.

Prabhakar received his MBA from the University of Chicago, an MS in Engineering from the University of Texas at Dallas and a BE from Bharathiyar University in India. Prabhakar is located in Bangalore, India.

Bruce Willison
Professor, UCLA Anderson School of Management

Bruce G. Willison is a Professor of Management in the UCLA Anderson School of Management,where he served as dean of from 1999 to 2005. While dean, UCLA Anderson’s faculty was ranked number one in “Intellectual Capital” by Business Week.

Mr. Willison’s distinguished 26­year career in the banking industry began at Bank of America, where he held several positions in Los Angeles and Mexico City. In 1979 he joined First Interstate Bancorp, where he held various executive positions, including chairman and CEO of First Interstate Bank of Oregon, and chairman, president, and CEO of First Interstate Bank of California, as well as vice chairman of the bank’s holding company, First Interstate Bancorp, until 1996. Mr. Willison then became the president and chief operating officer of H.F. Ahmanson and Co., the parent of Home Savings of America, one of the largest savings banks in the country.

A native of Riverside, California, Mr. Willison earned a bachelor’s degree in economics from UCLA, and an MBA in finance from the University of Southern California. He also served as an officer in the U.S. Navy, and currently serves as a director of Health Net, Inc., SunAmerica’s annuity fund complex, and Move, Inc.

Peter Sizgoric

Peter Sizgoric
Vice President of Corporate Development at RPX

Peter Sizgoric is a vice president of corporate development at RPX Corporation where he directs teams in the analysis of mergers and acquisitions, optimal capital structure considerations, and strategic planning and strategy. Prior to RPX, Mr. Sizgoric was in the investment banking division at Morgan Stanley where he advised financial sponsors on over $4 billion of closed debt and equity transactions across multiple sectors.

Mr. Sizgoric possesses a master of business administration from the Wharton School of the University of Pennsylvania and two bachelor of science degrees from the University of Illinois at Urbana-Champaign. Mr. Sizgoric resides in San Francisco, California.