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David Siewers is Chief Financial Officer for PrognomiQ. Prior to PrognomiQ, David was Chief Financial Officer for Seer from 2017 to 2020, where he built the accounting and finance function, and supported financing of over $163 million for the company. As CFO of Selecta Biosciences from 2009 to 2017, he also built the finance and accounting organization and led the company to a successful IPO in June 2016. Before Selecta Biosciences, David built his own successful finance and operations consulting company providing support and guidance to an extensive array of clients ranging from startups to mid-level companies. Prior to creating his own consulting company, David spent over 20 years in the financial services arena as CFO/SVP of Fleet Investment Services (trust and advisory), Fleet Services Corporation (loan, deposit, and technology operations), and SVP of Putnam Investments. David graduated from Marietta College and received his CPA in 1978 while working at KPMG.