The following are some of the members of Beacon Angels (listed in alphabetical order by last name):

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John C. Addonizio
Mr. Addonizio is former President and CEO of BMEGateway and Boston Medical Evaluations, Inc. He has over 25 years of leadership experience in the insurance, health and managed care arenas. Mr. Addonizio also served as the National Vice President of Sales and Business Development for ExamWorks, Inc. (NYSE: EXAM). He now operates a consulting group and serves as President of J. Addonizio & Company, LLC, which advises small and medium sized companies in business strategy, sales productivity, CEO coaching, funding, etc. Mr. Addonizio is a graduate Suffolk University.

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Victor Allis
Mr. Allis is former CEO (1997-2016) of Quintiq, a global supply-chain software company he co- founded and bootstrapped in the Netherlands and ultimately sold to Dassault Systemes in 2014. Since 2017, he is active as operating partner for private equity and as formal and informal board member for various international B2B software companies. Victor was named Dutch Entrepreneur of the Year in 2008. Victor received an MSc in Computer Science from the Vrije University in Amsterdam and a PhD in Artificial Intelligence from the University of Maastricht.         

BrantleyThomas H. Brantley
Mr. Brantley is a partner in the Boston law firm of Rubin and Rudman, LLP, with a primary concentration during his 34 years of experience in tax and other areas of the law having a major tax component. He is also a CPA, and worked for five years in the Boston tax department of Ernst & Ernst (now Ernst & Young). He has had extensive involvement with the tax and tax-related needs of start-up and early-stage companies, as well as those of individual and venture capital investors. Mr. Brantley received his B.A. degree from Yale College and his J.D. from Harvard Law School.

ClaybergEric Clayberg
Eric Clayberg is a Software Engineering Manager at Google and former co-founder and EVP of Product Development for Instantiations (acquired by Google in 2010) and former co-founder and VP of Engineering for ObjectShare (acquired by ParcPlace-Digitalk in 1996). He is also a co-owner and board member for Instantiations (a new company spun off from the original Instantiations at the time of the Google acquisition). In addition to being a successful serial entrepreneur, he is a seasoned software technologist, product developer, and manager with more than 20 years of commercial software development experience. He has been responsible for creating more than a dozen commercial software products including the award winning WindowBuilder, CodePro, and VA Assist product lines. He holds a BS degree in Aerospace Engineering from MIT, an MBA from Harvard, and is co-author of Eclipse Plug-ins (3rd Edition, Dec 2008), Addison Wesley, 2008.


Mimi Evans

Mimi Evans is CEO and Founder of Fast Turtle Ventures, dedicated to helping startups get their first traction and cross the chasm to success. This includes all aspects of financial fortitude (sales, fundraising, business development, and financial organization). Prior to founding Fast Turtle Ventures, she was the Co-Founder and CEO of, a technology-driven company that provided data to high-tech companies such as EMC, IBM and Microsoft in order to boost their sales, marketing and CRM systems. After a successful exit to OneSource Information Systems, she is focused on helping the entrepreneurial ecosystem in Boston and Cambridge.

David Fogel
David Fogel is Managing Director of Swifton CFOs LLC, an outsourced CFO firm that provides emerging businesses with strategic and financial Ieadership. David’s expertise lies in constructing a financial framework to help companies attract funding and guide continued growth. A contributor to the development of Greater Boston’s Mass Challenge, Boston BizSpark, and The Capital Network, David is also Adjunct Instructor of Finance in the MBA program at Worcester Polytechnic Institute.

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Sara Gifford
Sara is seasoned software executive, most recently as Chief Solutions Officer at Quintiq, a global supply-chain software company. As a thought leader in supply chain optimization she has a track record of bringing value to her customers. Sara’s focus is on accelerating growth for B2B enterprise software companies.  Since 2017 Sara is active as an angel investor, mentor and coach for startups and early-stage software companies as well as supporting several Boston-based non-profits. Sara got her BSE in Computer Engineering from Bucknell University and her MS in Software Engineering from American University.

Geoffrey GoodellGeoffrey Goodell
Geoff is an entrepreneur and portfolio manager who most recently served as Chief Investment Officer and Partner of PhaseCapital LP, an asset-management firm based in Copley Square. Previously, he served as a strategist in the corporate credit trading and structured products groups within the Fixed Income, Currency, and Commodities Division at Goldman, Sachs & Co. He is a CFA charterholder, a past CAIA charterholder, and a member of the Boston Security Analysts Society. Geoff feels a strong connection to the community of greater Boston, having earned a S.B. in Mathematics from MIT and a Ph.D. in Computer Science from Harvard University.


Leon Liebman
Successful VC and private equity investor seeking opportunities in the US, Great Britain and Sweden. Earlier stage opportunities are of particular interest. Also board involvement with equity incentives. Substantial operating experience in a range of business areas.

Jeffrey PiltchPiltch
Jeff began his career with HSBC in multiple functions, including a stint in their Global Asset Management group, spending time in Chicago, New York and London. After HSBC, Jeff rejoined his Boston-based family business ARS Restoration Specialists, which was sold in June of 2018 to a strategic buyer, The RESCON Group, financed by PNC Mezzanine Capital. After the sale, Jeff stayed on as Director of Corporate Development with RESCON until he joined Venture University as an investor in September 2018. Jeff is also a real estate investor, focusing mainly on the Greater Boston area. He graduated from Wake Forest University with a degree in Finance and is also a CFA Charterholder.


Terry Rybolt

Mr. Rybolt is a leader in the Business Process Outsourcing industry. He manages profit and loss ratios for business divisions of $300 million or more in revenue, leads and motivates large geographically diverse workforces, and manages complex sales processes and related budget, operations, and staff resources. Mr. Rybolt is a communicator, skilled at forging and maintaining relations with and within Fortune 500 companies, negotiating growth opportunities, supporting start-up operations and working with other senior and executive management.

William F. Swiggart

Link to biography

Michael S. Vitale
Mr. Vitale is the current president and CFO of Puritan Fish Co., Inc. a Boston-based international seafood company, and the current treasurer of the New England Seafood Producers Association. He served as past president of the Boston Fisheries Association. Mr. Vitale received his B.S. in Accounting from Bentley College.

Waters Head shot, CroppedWilliam Waters
Mr. Waters is former CFO and principal of Pharmalucence, Inc., a company that makes and sells injectable pharmaceuticals. He and two partners acquired the company in 2007 via a management buyout from its Belgian parent. In 2014, he and his partners sold the company to Sun Pharma, a major Indian pharmaceutical company. Beforehand, Bill worked for Hewlett-Packard in the medical device industry and was founder and president of a startup, Product Takeback Services, a company for the environmental disposal of computers and other electronics. Mr. Waters holds a BA in Economics from Bowdoin College and an MBA from Columbia University.

picPatrick Wetherille
Patrick is VP of Growth Marketing for Lose It!, a top rated weight loss app with over 30 million users. At Lose It!, he launched Lose It! Premium and leads the team that drives user acquisition, engagement, and monetization, recently taking the company to profitability. He holds a MBA from Harvard Business School, a Master of Public Policy from Georgetown University, and a BA in Economics and Political Science from Haverford College. Patrick is a Minnesota native but has lived in Boston since 2008.