Our experts span medical, scientific, and clinical operations

ERG’s Executive Management Team brings together experts spanning the medical, scientific, and clinical operations aspects of clinical research. They are bolstered by a Board of Directors with longstanding experience in the healthcare industry. Together, these leaders ensure ERG continues to follow a path of innovation underpinned by the vigilant approach toward quality we bring to all our clinical research.

Executive Management Team

Lori T. Wright

Chief Executive Officer

Andria Chastain

Chief Operating Officer

Daniel Gruener, MD

Chief Medical Officer

Dave Hennessy

Chief Information Officer

Joanne Praul

Senior Vice President, Budgets and Contracts

Stone Blacka

Senior Vice President, Business Development and Strategic Operations

Rob Chestnut

Chief Financial Officer

Elizabeth Calvez

Director, Human Resources and Communication

Caroline Cassidy

Vice President Quality Assurance

William Martin, Ph.D.

President, Lotus Clinical Research

Scientific Director, Scientific Leadership Team

Vic Singh

Vice President, Financial Planning and Analysis

Luke Kramer

VP, Patient Advocacy and Community Engagement

Board of Directors

Neil Singla


Chief Scientific Officer, Lotus Clinical Research

Brett Prager


General Partner, DFW Capital Partners

Steve Romano, MD


Vice President, Chief Medical and Scientific Officer, Mallinckrodt

Brian Tilley


Partner, DFW Capital Partners

Richard Thomas


Operating Partner, Linden Capital Partners

Andrew White


Principal, DFW Capital Partners

Michael Farah


Partner, Linden Capital Partners

Piyush Shukla


Partner, Linden Capital Partners

Judith Dunn, PhD


President, Head of Fulcrum Therapeutics