Board of Directors

David W. Baum

David Baum is the founder, managing director of Stage 1 Ventures and an investor of OnePIN. Baum is an experienced general partner with 35 years in the information technology industry, including twenty-five years in technology finance and ten years in entrepreneurial operating management roles.

As an entrepreneur, Baum founded two companies including Pensoft Corporation, a venture-backed (Mohr Davidow, IVP, and Bay Partners) mobile communications company that was sold to AT&T in 1994.

Baum was a key principal that raised, launched, staffed, and managed Prism Ventures. During his tenure at Prism, the firm grew from zero to over $1.25B under management. Investments include Softricity (Microsoft), Network24 Communications (Akamai), DotBank (Yahoo), Altaworks (Opnet), Integral Access (Telco Systems), Syncra Systems (Retek), Salesnet (RightNow) and Bitfone (HP).

In January of 2006, Baum launched Stage 1 Ventures, an early-stage venture capital firm. Investments include Carbonite (IPO), Paydiant (PayPal), PureCars (Raycom Media), e-Centives (Catalina), Skyhook Wireless (TruePosition) , Splunk (IPO), WiTricity, ViralGains, Mobee, Instream, Banshee Wines(Foley Wines), OpenBay, ChaosSearch, Marxent Labs, Vivox (Unity), Promoboxx, Narvii, Nexercise, Nexercise, Origin Wireless, Speedy Packets, TriLumina, Vivoom, Reticare, Talla,, Art Lifting, Referral Mob, and Tesora

In June of 2010, Baum launched Stage 1 Growth Fund, LLC, a later stage secondary/growth equity investment vehicle. S1GF made its first investment into YMAX, Corp, a leading CLEC/VOIP provider in North America and creators of the MagicJack-branded consumer service offering. YMAX went public later in 2010 by purchasing VocalTec, a leading softswitch provider.

Baum holds an MBA from the Harvard Business School with second year honors and BS in Computer Science from Drexel University where he graduated first in his science class.

Feyzi Çelik

Feyzi Çelik is the founder of OnePIN®, an industry visionary and an inventor at heart. He revolutionized digital services for Mobile Operators and Brands to communicate with their customers.

Celik has innovated the exchange of digital business cards within mobile phones, allowing subscribers to grow their mobile phonebooks and enrich their social networks. He pioneered an interactive messaging service which is triggered upon a missed call. Celik has transformed Mobile Marketing by deepening Mobile Operators’ and Brands’ relationship with their subscribers through an interactive and meaningful channel. He has moved mobile network analytics, quality measurements, and mapping to a new level.

Under Çelik’s direction, OnePIN is working with leading mobile network operators and global Brands to bring OnePIN’s cutting-edge technologies to mobile phones. OnePIN is now servicing 18 mobile operators including Vodafone, Orange, A1, MTN, Etisalat, and Cable & Wireless. Its customer base spans the globe and includes more than 500 million mobile subscribers.

Çelik raised over $26 million in funding for OnePIN from four Venture Capital firms: Stage 1 Ventures, QKA, L.P., Egan Managed Capital and Greycroft Partners.

Prior to founding OnePIN, Çelik served as President and CEO of the North American division of Koc Group, a $40 billion Fortune Global 500 company based in Istanbul.

Çelik holds a master’s degree in business administration with high distinction from the Babson College Graduate School of Business, a master’s degree in mechanical engineering from Boston University and a bachelor’s degree in mechanical engineering from the Middle East Technical University (METU) College of Engineering.

Çelik is the recipient of the Babson College W.F. Glavin Center Global Entrepreneur Award.

Çelik holds 56 global patents related to OnePIN technologies. Çelik is also the main inventor on a number of patents currently in the pending stage both nationally and internationally.

Kenneth Mabbs

Kenneth Mabbs is the founder of QKA, L.P. Prior to QKA, he was a General Partner and founder of FA Technology Ventures. He currently serves on the Board of Directors of Knoa Software and OnePIN, and until their exits, served on the boards of E Ink and ISOPur. Prior to its IPO, Ken was an observer to the board of A123 Systems.

Prior to co-founding FA Technology Ventures, Ken served as Director of Investment Banking and Director of Merchant Banking from 1991-2000 at Gleacher and Company, a publicly traded investment banking firm (NASDAQ: GLCH) focused on emerging technology companies.  Ken led the transformation of Gleacher’s corporate investment banking practice from a regional generalist approach to a nationwide information technology and energy technology focused practice. Investment banking revenues grew from $7.8 million to $32.8 million and equity underwriting volumes of lead or co-lead transactions increased from $24 million to over $2 billion.   The Merchant Banking activity consisted of the venture capital investing of the FATV I Portfolio, which invested over $17 million and resulted in realizations of over $77 million. Ken also worked on strategy, due diligence and investment negotiations in Mechanical Technology and its follow-on investments in Plug Power (where he was a co-founder), Beacon Power and Satcon as well as FATV I investments in iRobot and META Group.  Prior to working at Gleacher, Ken was a senior investment banker at Bear Stearns and Company, Inc., in New York and in Boston where for eight years he focused on emerging technology companies.

Ken has served as a Judge and Mentor to the annual MIT Enterprise Forum’s Ignite Business Plan Contest for energy technology companies since its inception (now The Cleantech Open).  Along with a select group of leading energy technology executives and scientists, he addressed the U.S. House of Representatives Committee on Science regarding investing in energy technology and accelerating the emergence of the hydrogen economy in the United States. In 2012, Ken testified before the Senate Committee on Small Business and Entrepreneurship on the topic of Energy Storage in the new digital economy.

Ken has a BA from Denison University, an MBA from the Wharton School at the University of Pennsylvania, and a PhD in High Energy Physics from Harvard University.

Joseph L. Winn

Joseph L. Winn currently serves as the Chair of the Babson College Board of Trustees. He previously served on the Board of Trustees from 2001 to 2010 as a Member and Chair of the Investment and Finance Committees, and was a Member of the Audit, Executive, Graduate, and Executive Education Committees. Winn also served on the IT Task Force and the Endowment Returns & Spending Task Force. Winn was a Member of the Presidential Search Committee 2008 and Vice Chair of the MBA 50th Campaign. He has served as Alumni Career Volunteer, Fast Track MBA Volunteer, and Business Plan Evaluator. He has been a Member of the President’s Society, the Roger Babson Circle, and the Entrepreneurs Circle Gift Clubs.

Winn spent nearly 10 years with American Tower Corporation (NYSE:AMT), serving as Vice Chair from 2001 to 2004 and CFO from the company’s inception in 1995 until 2001. Before joining AMT, Winn served as Co-Founder, CFO, and Director of American Radio Systems Corporation, President of Atlantic Radio Corporation, and Senior Vice President of American Cablesystems Corporation.

Mr. Winn serves as a Director of OnePIN, Inc., ZepFrog Inc., and Mercury Print and Mail, and as a Board Member of Montserrat College of Art in Beverly, Massachusetts. He is a Lecturer at Boston University’s School of Management.

Joseph L. Winn has a Master of Business Administration from Babson College Graduate School of Business. Mr. Winn holds a bachelor’s degree from the Carroll School of Management at Boston College.


Mike Shanahan

Mike Shanahan is a managing partner at Egan-Managed Capital. Shanahan has spent more than 30 years in finance and venture investing. He co-founded Egan-Managed Capital in 1997. As managing partner, he is responsible for the investment decision process and supports portfolio companies with financial and capitalization advice. He serves on the board of directors of Apparent Networks, Genalytics, Nexaweb, Softrax Corporation, Whaleback Systems and has served on ten other Egan portfolio boards.

Prior to Egan-Managed Capital, Mr. Shanahan worked with Eastech Management Company, a New England-focused early-stage technology venture firm. Eastech developed a portfolio of 34 companies during Mr. Shanahan’s tenure. He served as a director and filled management roles in several Eastech portfolio companies. Before Eastech, he worked in corporate finance and venture capital at Paine Webber and Banker’s Trust Company.

Mr. Shanahan holds a Master of Business Administration from Harvard Business School and a bachelor’s degree in economics from the College of the Holy Cross.