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Our Team • Management

Patti Aha


Patti Aha has over 25 years of experience in the biotechnology industry, with responsibilities spanning vaccine discovery, biologics, and small molecule development, structural biology, manufacturing QA, and project management. Before joining TDI, Patti was at the Broad Institute, where she managed multiple small molecule development portfolios, including the project-rich Molecular Libraries Probe Development Center portfolio, as well as academic-industrial collaborations and an internal early-project pipeline.

Ivo Lorenz


Ivo Lorenz is the head of the Antibody Discovery Laboratory at TDI, and a faculty member in the Biochemistry department of Weill Cornell Medicine. A native of Switzerland, Ivo obtained his PhD in Biochemistry from the Swiss Federal Institute of Technology in Zürich. After his postdoctoral training at The Rockefeller University, Ivo joined the International AIDS Vaccine Initiative, where he focused on novel immunogen design approaches to develop a prophylactic HIV vaccine. Prior to TDI, Ivo worked at Boehringer Ingelheim Pharmaceuticals, where he gained extensive experience in antibody drug discovery and project management for targets from various disease areas.

Sandy Lorber


As VP of Finance, Sandy Lorber is responsible for the financial operations of TDI, collaborating and working closely with members of TDI and finance teams of the three institutions.  Sandy comes to TDI with extensive experience in the financial services industry and, most recently, in healthcare. Her background has included financial reporting planning & analysis, accounting, budgeting and management.  Sandy earned her Bachelor of Science degree in Accounting from Brooklyn College.

Stacia Kargman


Stacia Kargman has over 30 years of experience in the pharmaceutical industry. After earning her BS in biology from Columbia University and completing graduate studies at the Weizmann Institute of Science in Israel, Stacia joined the Department of Pharmacology at Merck Frosst Canada. After 25 years in Montreal, Stacia accepted a corporate transfer to Merck, New Jersey, where she would serve as External In Vitro Pharmacology Lead across the Merck network. As TDI’s Vice President of Biology, Stacia works with Principal Investigators and TDI Chemists to contribute biological and pharmacological expertise, and helps to develop and oversee biological assays with the goal of delivering proof-of-concept experiments to TDI’s many projects.

Nigel Liverton


Nigel Liverton, PhD, earned his PhD at Southampton University and conducted postdoctoral research with Prof. Amos B Smith at the University of Pennsylvania. Prior to joining TDI, Dr. Liverton was at Merck for 28 years, where he led or contributed to multidisciplinary drug discovery teams targeting diseases in the CNS, cardiovascular, immunology and infectious diseases areas, advancing multiple drug candidates into clinical development. His contributions to the discovery of grazoprevir were recognized with a “Heroes of Chemistry” award presented by the American Chemical Society. Dr.Liverton subsequently joined WuXi AppTec as Executive Director in the International Discovery Service Unit working with a wide range of clients to advance their small molecule discovery efforts. At TDI, Dr. Liverton provides scientific leadership across the portfolio of small molecule drug discovery projects.

Patricia McGrath


As the Office Manager of Tri-Institutional Therapeutics Discovery Institute, Trish is responsible for the smooth operation of the business office.  She reports to Patti Aha, the VP of Operations, and directly supports Dr. Mienke. Trish’s work experience spans business, government and philanthropy.  Most recently, prior to joining Tri-I she served as the Supervisor of Client Services for FOJP Service Corporation.  In that role, Trish’s principal responsibility was building and maintaining relationships with over 40 clients, which included: gathering data needed to procure the best insurance coverage possible; scheduling site visits to update clients on risk management initiatives; and responding to clients inquiries and concerns with respect to their insurance program. Active in her community, Trish coordinated the L. Lodico Walk for Celiac Disease; a walk that was held annually in Bayside, NY to raise money for research.



PATTI AHA, PMP.VICE PRESIDENT, OPERATIONS AND PORTFOLIO MANAGEMENT.Patti Aha has over 25 years of experience in the biotechnology industry, with responsibilities spanning vaccine discovery, bi