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Mr. O’Brien has been a general partner at J. H. Whitney & Co., LLC for more than 20 years. Over that time, he has been a board member of several of the firm’s portfolio companies in the healthcare services, computer software, and pharmaceutical sectors. Prior to his career at Whitney, Mr. O’Brien was a senior partner and the national chairman of PricewaterhouseCoopers’ Emerging Business Services practice, which serves entrepreneurial and growing businesses.