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Mammoth Biosciences: Elaine Sun, Ted Tisch, Adriana Dantas Lemberg, Dimitrios Zisoulis

Gene editing company Mammoth Biosciences this week announce multiple executive appointments. Elaine Sun has been named chief operating officer (COO) and CFO. She joins Mammoth from Halozyme Therapeutics, where she served as senior VP and CFO. Prior to that she was CFO and chief strategy officer at SutroVax (now Vaxcyte). She has also served as managing director at Evercore Partners and Merrill Lynch. She holds a BA from Wellesley College and MBA from Harvard Business School.

Current COO Ted Tisch will assume the role of chief agility officer.

Mammoth also named Adriana Dantas Lemberg as VP of product management, and Dimitrios Zisoulis as VP of genome engineering. Dantas Lemberg previously held roles in product development, marketing, and sales at Roche and Becton-Dickinson, with a particular focus on point-of-need diagnostics. Zisoulis most recently served as VP of drug discovery at Locanbio, and brings experience in gene therapy and drug development.