Steven Sweeney

Steven Sweeney is an accomplished leader in the pharmaceutical and clinical development sectors, currently serving as an Entrepreneur in Residence at Atlas Venture since March 2025. As the President and CEO of Integrity Clinical Services, LLC since January 2012, Steven has a wealth of experience in managing clinical operations. Prior to his current role at Atlas Venture, Steven held key positions at Aliada Therapeutics as President and Chief Operating Officer until its acquisition by Abbvie, and at Third Harmonic Bio, where Steven served as EVP and then SVP of Clinical Development Operations. Steven's educational background includes a Bachelor of Science in Toxicology, Pharmaceuticals, and Pharmacy from Northeastern University, earned in January 1996.