Our Team

The Fund Managers are founders of Volaris, Mexico’s largest airline and one of the most successful aviation start-ups in a generation, and remain on the Board today. The team has worked together for over twenty years and has a deep experience in starting companies from both the operating and investing side of the ledger and decades of experience in mobility. As a result, DiamondStream often takes a hands-on approach with its portfolio companies.

William Dean Donovan

Managing Director and Co-founder


Mr. Donovan co-founded Volaris, Mexico’s largest airline, and continues to sit on the Board of Directors. The company has been listed on the NYSE since 2013, employs a ULCC business model, and flies in Mexico, Canada, Central America and the US. He also co-founded Casino Marketing Alliance, a travel analytics and marketing firm and he helped form Metropolitan Bankgroup.

Mr. Donovan serves on the Board of Stellar Labs, a software company focused on global distribution technologies for private aviation. He also sits on the board of Prophet, a marketing consultancy, and served as Chair of the Special Committee during the firm’s recapitalization efforts. Mr. Donovan served as COO of Nimblefish Technologies, a micro-marketing technology platform and as CEO of SearchForce, a paid search workflow management and optimization platform.

Between 1989 and 2003 Mr. Donovan worked with Bain & Company consulting to executives in the United States, Europe and Latin America. He ran Bain’s Africa business and headed Bain’s auto and aviation practices.

Mr. Donovan received his MBA with honors from the Wharton School and his B.A. from University of California Berkeley, where he graduated with Honors in Rhetoric and Economics, Phi Beta Kappa and Summa Cum Laude.

Brian Charles Flynn, Jr.

Managing Director and Co-founder


Mr. Flynn co-founded Volaris (NYSE: VLRS), Mexico’s second largest airline. He also co-founded Casino Marketing Alliance, a travel analytics and marketing firm. Mr. Flynn helped form The Metropolitan Bank and build it to $1.3B in assets. Among other investments, Mr. Flynn led the acquisition and turnaround of Victory Refrigeration which led to a 13x return for investors.

He previously was a Managing Director at Bachow & Associates, the then largest private equity fund in Philadelphia with investors such as CalPERS and the Ford Foundation. At Bachow, he identified, negotiated an investment in or acquisition of, built, grew, and sold companies in a variety of industries.

Mr. Flynn served as CEO of Innova Corporation (now Harris Corporation: HRS), a leading telecom equipment company that resulted in a 22x return for investors. Prior to Bachow, he was a consultant at Bain & Company where he met Mr. Donovan. Mr. Flynn also worked for DLJ in investment banking and GE Capital in finance.

He is a Beta Gamma Sigma graduate of Columbia Business School and a Phi Beta Kappa graduate of Williams College, and he also studied at the London School of Economics. He sits on various public and private company boards of directors.

David John Spurlock

Managing Director


Mr. Spurlock was a Senior Managing Director of the Seabury Group which was the largest dedicated advisory practice serving the global aerospace and airline industries. Mr. Spurlock co-led the aircraft advisory practice serving major aircraft manufacturers and leading airlines. Selected work includes acquiring fleets of 787, A350, 737 family, and A320 family aircraft for leading global airlines including United Airlines, Cathay Pacific and Aeromexico. Additionally, Mr. Spurlock advised both major airframe manufacturers, Boeing and Airbus, and two of the three major engine manufacturers on their product development programs.

He was also a senior executive with British Airways where he was responsible for the corporate strategy, fleet planning, network planning and revenue management departments. Mr. Spurlock held profit and loss responsibility for the mainline airline. He was also the founder of Eos Airlines, the first trans-atlantic all-premium airline and a former consultant for Boston Consulting Group.

He has worked with and invested alongside DiamondStream Partners for over a decade. Mr. Spurlock is a graduate of the Stanford Graduate School of Business and a graduate from Stanford University with a Bachelor of Science degree.

Traci Ho Kim

Vice President


Ms. Kim is a startup executive with over seventeen years of experience working in finance, technology, government, and utilities. She joined DiamondStream in 2016 and shares responsibility for fund marketing, deal due diligence, investment committee process, investor management, and fund administration.

Prior to this, Ms. Kim also ran business and finance for an on-demand technology startup, responsible for business operations, strategy, and finance. She also worked as an advisor to the CEO of a private aviation company on go-to-market strategies for its marketplace solution and other new products. She also developed Google’s first renewable energy investment portfolio, building out the investment strategy, sourcing deals, building partnerships, and managing deal teams. Ms. Kim also worked at Bain and Company, Capital One, and led energy policy and innovation for the State of Hawaii.

She received her MBA from the MIT Sloan School of Management and her A.B. in Economics, with a certificate in Finance, from Princeton University.

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