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Board of Directors

Mitchell Kertzman

Partner, Hummer Winblad Venture Partners

Mitchell Kertzman is a Partner at Hummer Winblad Venture Partners. He has over 30 years of experience as a CEO of public and private software companies. Most recently, Mitchell was chairman and CEO of Liberate Technologies, a provider of platform software for the delivery of digital services by cable television companies. Before joining Liberate, he was chairman of the board and CEO of Sybase, Inc. Mitchell was founder and CEO of Powersoft, which merged with Sybase in February 1995.

Tim Wilson

Partner, Partech International

Tim joined Partech International in 2001 and focuses on communications and components investments. Between 1997 and 2001, Tim was the Chief Marketing Officer for Digital Island, a Partech portfolio company. The company was acquired by Cable & Wireless in 2001 for $350M. Prior to Digital Island, Tim was a General Manager at Lucent Technology where he led the international voice communications product management team (now Avaya) with P&L for product lines generating over $2B in annual sales and coauthored a VOIP related patent. Before Lucent, Tim held a variety of senior management positions within AT&T (North America and Australia) and AT&T Bell Labs from 1983-1995. Tim's current portfolio companies include Discera, Invensense, Spudnik and Teknovus where he holds a board seat with each company.He graduated summa cum laude, Phi Beta Kappa from Bowdoin College receiving his undergraduate degree in Physics. He received his MBA from Duke University's Fuqua School of Business where he was named a Fuqua Scholar.

David Welsh

Partner, Adams Street Partners

Dave Welsh is a Partner with Adams Street Partners with over 15 years of investment and operational experience. Prior to Adams Street, Dave worked for McAfee, Inc. as Executive Vice-President, Corporate Strategy and Business Development. At McAfee, he was in charge of overall corporate strategy, mergers and acquisitions and strategic alliances. Prior to joining McAfee, Dave served as a General Partner for Partech International, an international venture capital firm, and Vice-President of Corporate Development at Portal Software. He currently serves on the Boards of Brightroll, JasperSoft, KPG, LogRhythm and WebVisible. Dave received a BA from UCLA and a JD from UC Berkeley and Harvard Law School.

Jack Acosta

Jack Acosta has served in a Board role for multiple companies. Previously, Jack served as Chief Financial Officer and Vice President, Finance for Portal Software. Prior to Portal Software, Jack served as Executive Vice President and Chief Financial Officer as well as Vice President, Engineering Services, Integration and Business Management for Sybase, Inc., a database company. Jack also served as President, Chief Operating Officer and a director of Tanon Manufacturing, Inc., a manufacturing and engineering services company. Prior to these assignments, Jack held various management positions at Ungermann-Bass, Inc., Atari, Inc., Diablo Systems, Inc., and Ford Motor Company.

Mike Burkland

President and Chief Executive Officer (CEO), Five9

Mike Burkland is a seasoned executive with a proven ability to drive growth and bring strategic focus and operational excellence to high growth technology companies. Mike most recently ran the Strategic Advisory Practice at ICN. ICN is the leading firm in its field, specializing in providing leadership and strategic advisory to high technology companies. While at ICN, he worked with multiple companies to successfully execute corporate strategies and operational improvements. In the 11 years prior to joining ICN, Mike was CEO of a handful of enterprise software and SaaS companies in market segments ranging from systems management and content management to security and CRM, and has led three private companies through successful acquisitions by larger public companies. He holds MBA and BA degrees from the University of California at Berkeley.

Board Observers

Dave Samuel

Managing Director, Mosaic Venture Partners

Dave Samuel is Managing Director at Mosaic Venture Partners. Dave was President of Rogers Wave from its inception and led North America's most aggressive rollout of high-speed Internet access over cable. Dave was also a consultant with McKinsey & Company and a Senior Executive with Torstar Corporation. Early in his career, Dave was an investment banker with Morgan Stanley & Co., where he executed various financial transactions.

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Virtual Call Center Inbound Call Center Outbound Call Center IVR Auto Dialer Call Center Software	Customer Service Collections Telemarketing Outsourcing Telecommunications Financial Services	IVR ACD Predictive Dialer VoIP CTI PBX	Inbound Call Center Datasheet Outbound Call Center Datasheet IVR Datasheet ACD Datasheet Predictive Dialer Datasheet Five9 Product Overview

Virtual Call Center Inbound Call Center Outbound Call Center IVR Auto Dialer Call Center Software

Customer Service Collections Telemarketing Outsourcing Telecommunications Financial Services

IVR ACD Predictive Dialer VoIP CTI PBX

Inbound Call Center Datasheet Outbound Call Center Datasheet IVR Datasheet ACD Datasheet Predictive Dialer Datasheet Five9 Product Overview

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	About Us Contact Information Background Jobs Customers Testimonials Executives Directors Advisors Investors Sitemap Privacy Policy Terms of Use Copyright Notice		Board of Directors Mitchell Kertzman Partner, Hummer Winblad Venture Partners Mitchell Kertzman is a Partner at Hummer Winblad Venture Partners. He has over 30 years of experience as a CEO of public and private software companies. Most recently, Mitchell was chairman and CEO of Liberate Technologies, a provider of platform software for the delivery of digital services by cable television companies. Before joining Liberate, he was chairman of the board and CEO of Sybase, Inc. Mitchell was founder and CEO of Powersoft, which merged with Sybase in February 1995. Tim Wilson Partner, Partech International Tim joined Partech International in 2001 and focuses on communications and components investments. Between 1997 and 2001, Tim was the Chief Marketing Officer for Digital Island, a Partech portfolio company. The company was acquired by Cable & Wireless in 2001 for $350M. Prior to Digital Island, Tim was a General Manager at Lucent Technology where he led the international voice communications product management team (now Avaya) with P&L for product lines generating over $2B in annual sales and coauthored a VOIP related patent. Before Lucent, Tim held a variety of senior management positions within AT&T (North America and Australia) and AT&T Bell Labs from 1983-1995. Tim's current portfolio companies include Discera, Invensense, Spudnik and Teknovus where he holds a board seat with each company.He graduated summa cum laude, Phi Beta Kappa from Bowdoin College receiving his undergraduate degree in Physics. He received his MBA from Duke University's Fuqua School of Business where he was named a Fuqua Scholar. David Welsh Partner, Adams Street Partners Dave Welsh is a Partner with Adams Street Partners with over 15 years of investment and operational experience. Prior to Adams Street, Dave worked for McAfee, Inc. as Executive Vice-President, Corporate Strategy and Business Development. At McAfee, he was in charge of overall corporate strategy, mergers and acquisitions and strategic alliances. Prior to joining McAfee, Dave served as a General Partner for Partech International, an international venture capital firm, and Vice-President of Corporate Development at Portal Software. He currently serves on the Boards of Brightroll, JasperSoft, KPG, LogRhythm and WebVisible. Dave received a BA from UCLA and a JD from UC Berkeley and Harvard Law School. Jack Acosta Jack Acosta has served in a Board role for multiple companies. Previously, Jack served as Chief Financial Officer and Vice President, Finance for Portal Software. Prior to Portal Software, Jack served as Executive Vice President and Chief Financial Officer as well as Vice President, Engineering Services, Integration and Business Management for Sybase, Inc., a database company. Jack also served as President, Chief Operating Officer and a director of Tanon Manufacturing, Inc., a manufacturing and engineering services company. Prior to these assignments, Jack held various management positions at Ungermann-Bass, Inc., Atari, Inc., Diablo Systems, Inc., and Ford Motor Company. Mike Burkland President and Chief Executive Officer (CEO), Five9 Mike Burkland is a seasoned executive with a proven ability to drive growth and bring strategic focus and operational excellence to high growth technology companies. Mike most recently ran the Strategic Advisory Practice at ICN. ICN is the leading firm in its field, specializing in providing leadership and strategic advisory to high technology companies. While at ICN, he worked with multiple companies to successfully execute corporate strategies and operational improvements. In the 11 years prior to joining ICN, Mike was CEO of a handful of enterprise software and SaaS companies in market segments ranging from systems management and content management to security and CRM, and has led three private companies through successful acquisitions by larger public companies. He holds MBA and BA degrees from the University of California at Berkeley. Board Observers Dave Samuel Managing Director, Mosaic Venture Partners Dave Samuel is Managing Director at Mosaic Venture Partners. Dave was President of Rogers Wave from its inception and led North America's most aggressive rollout of high-speed Internet access over cable. Dave was also a consultant with McKinsey & Company and a Senior Executive with Torstar Corporation. Early in his career, Dave was an investment banker with Morgan Stanley & Co., where he executed various financial transactions.

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