About Us

Miguel Gallego

President and CEO

Cortney Hergenroeder

VP of Sales

Cortney Hergenroeder brings a wealth of sales and leadership experience to Precision Diagnostics, having moved up through a variety of positions in the toxicology industry since 2012. Cortney has an extensive background in sales, management, national business development, marketing, and strategic planning with a keen focus and mission of growing and maintaining business and personal relationships. Cortney comes well-equipped to manage the challenges of navigating the rapidly changing current medical environment and provides growth through strong leadership and the proven ability to obtain desired results.

Cortney joined Precision Diagnostics in 2017 and is responsible for providing the strategic vision for the organization’s national sales force, marketing department, sales operations, talent acquisition, and sales training. She joined Precision as the National Sales Trainer where she developed and implemented new and ongoing sales training programs and initiatives. In June 2018, Cortney was promoted to National Sales Director and in April 2019, she became the Vice President of Sales, East. She is responsible for the strategy of goal obtainment. In her various leadership roles at Precision, she seeks to educate and motivate by providing support to match the challenge.

Cortney earned her B.S. in Political Science from Towson University in Towson, MD. Outside of work, Cortney enjoys spending time with her family and friends and traveling.

Dr. Amadeo Pesce

Laboratory Director

Dr. Pesce has been honored with the Irving Sunshine Award in Clinical Toxicology by the International Association of Therapeutic Drug Monitoring and Clinical Toxicology, making him a true leader in the field.

Dr. Pesce obtained his Ph.D. in biochemistry at Brandeis University and was a postdoctoral fellow in physical biochemistry at the University of Illinois (Urbana). He collaborated with the noted Nephrologist Dr. Victor E. Pollak and was trained in Clinical Chemistry by Dr. Samuel Natelson at Michael Reese Hospital in Chicago. He was appointed to the faculty at the University of Cincinnati and rose to the rank of Professor in the Department of Pathology and Laboratory Medicine. Dr. Pesce has since retired from the University of Cincinnati with the honor of Professor Emeritus and taken on the rewarding position as the Laboratory Director for Precision Diagnostics. He is an integral part of Precision’s success and serves as a mentor to many Precision employees.

As part of his commitment to ongoing research and publication, Dr. Pesce has 267 peer-reviewed articles and has written and edited 20 books. He currently writes about the interpretation of our lab results and is motivated by Precision’s positive impact and contributions to healthcare. 

Darrell Taylor, JD, BSMT (ASCP)

Chief Compliance Officer & Associate General Counsel

Mr. Taylor brings extensive industry experience and subject matter expertise to Precision Diagnostics, with almost 20 years of legal experience focusing on corporate and transactional, regulatory, and compliance matters in the healthcare and biopharmaceutical space. Prior to attending law school, Darrell built a strong healthcare foundation serving in leadership positions for 15 years in clinical laboratory operations with Lab Corp of America and various hospitals developing and implementing regulatory compliance programs. Darrell also is a veteran of the 1st Cavalry Division, U.S. Army.

Prior to joining Precision Diagnostics, Darrell served in several roles of increasing responsibility at global and start-up biopharmaceutical companies where he led a team of attorneys managing a portfolio including branded pharmaceuticals having annual revenues over $7B and providing substantive advice concerning legal, regulatory and compliance issues, including FDA regulations, False Claims Act, Anti-Kickback Statute, OIG guidance, PhRMA Code, HIPAA and the Sunshine Act, in connection with product labeling, promotional activities, marketing strategies, and interactions with healthcare professionals from product development thru FDA approval and launch.

Previous to his in-house counsel positions, Darrell honed his skills as an attorney with the global law firm, DLA Piper, serving healthcare companies, pharmacies, private equity, venture capital, institutional investors and providers by assisting them with navigating opportunities in this highly-complex, heavily-regulated, and ever-changing industry.

Darrell joined Precision Diagnostics in July 2020 as Healthcare Regulatory Counsel. In February 2021, he was promoted to Chief Compliance Officer & Associate General Counsel overseeing Precision’s Compliance Program and working across the organization on business opportunities from a legal and compliance perspective.

Darrell earned his J.D. from the University of Notre Dame Law School and his B.S.M.T., with high honors, at The University of Texas Medical Branch. When not working, he enjoys hiking, traveling, and spending time with his family and two dogs.

Dr. Richard Thomas

Dr. Richard Thomas provides broad scientific knowledge and executive leadership experience to the team at Precision Diagnostics. Over the last 20 years, he has worked for several pharmaceutical companies including Avanir Pharmaceuticals, Johnson and Johnson, and Neurocrine Biosciences. Richard’s scientific background includes synthetic and analytical chemistry including robotics programming used in compound dispensing and analytical sample preparation. Richard brings a wealth of personal and professional relationships with vendors, scientists, and colleagues in the toxicology community which allows him to bring the latest and most advanced scientific technology to bear ensuring long-term competitiveness in the arena.

Richard joined Precision Diagnostics at the beginning in 2012 and is responsible for the scientific direction the organization has taken from the start. Initially the Chief Laboratory Scientist during the inception and initial growth phase, Richard was promoted to Chief Scientific Officer in 2014 when his efforts included cost reduction, systems efficiency, and automation aimed at driving company productivity, efficiency, accuracy, and profitability. As a dynamic team leader, Richard has helped build a successful innovative research and development and production support team providing cutting edge solutions to the challenges faced in the industry.

Dr. Richard Thomas earned his B.S. in Chemistry from San Diego State University in 1995 and his Ph.D. in Chemistry from U.C. Riverside in 2001. Richard is an avid athlete who enjoys running and mountain biking and spending time with his family and golden retrievers.