Sean O’Brien

Venture Partner, Operations

At Alpha Partners, Sean O’Brien serves as Venture Partner, Operations.

Mr. O’Brien, a 25+ year financial markets industry veteran, is a co-founder and Managing Director of Vreeland Asset Management, an investment advisory business formed in 1993.

At Vreeland, Mr. O’Brien launched and managed a number of funds and strategies in the equity, real estate and private investment space. He has served in roles that include Chief Investment Officer, Chief Financial Officer, and Director of Investor Relations. At Vreeland, he pioneered the expanded use of dividend reinvestment and stock purchase plans with institutional investors, transfer agents and public companies including Southern Company, Annaly Capital, Progress Energy and others. He also developed and originated a new convertible private placement structure for public growth companies and managed a number of tax-related dividend strategies for institutional investors.

Mr. O’Brien also co-founded and served as Managing Director of Brinson Patrick Securities Corporation. There, he served as Co-Head of Investment Banking as well as Director of Capital Markets and Business Development. At Brinson Patrick, Mr. O’Brien developed and pioneered the “at-the-market” equity offering, creating a new capital alternative for public companies, including the first equity REIT, Centerpoint Properties and later with numerous others, including Fortune 500 companies like Kinder Morgan and CMS Energy. Mr. O’Brien sold his share of the business in 2006.

Prior to Brinson Patrick, Mr. O’Brien served as Director of Advertising, Special Reports for International Medical News Group, a division of Capital Cities/ABC.

Mr. O’Brien earned his B.A. in history from Yale University and has served on the Board of Directors for the Yale Alumni Fund and as a member of its Executive Committee. Mr. O’Brien has five children and resides in Westfield, NJ where he met Mr. Brotman and his family.

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