Paul Pfeiffer joined Cardinal Biologicals as President and CEO in February 2019. Prior to Cardinal Biologicals, he was a part-time faculty member at Southeast Missouri State University and held a number of leadership positions in the pharmaceutical and toxicology industries. Most recently he served as Area Sales Manager with Aegis Sciences Corporation, where he spent the previous nine years. He earned his BA in Communications from Maryville University and his MBA from Webster University, both in St. Louis, Missouri.

Paul Pfeiffer

President & CEO

Derek Yarbro has been with Cardinal Biologicals since 2014. He was promoted to Operations and Lab Manager in February 2019. Prior to Cardinal, Derek spent several years working in the clinical lab industry, primarily in the hospital setting. He is a registered and certified phlebotomist and member of the AACC.

Derek Yarbro

Operations & Laboratory Manager

George “Skip” Wrape Jr. is co-founder and director of Cardinal Biologicals. He has a Bachelor of Science in Business Administration from Regis University in Denver, Colorado. His background is in providing quality raw biological materials for research, diagnostic, pharmaceutical, and educational purposes. He has been involved in the raw biological industry since 1980. Companies he co-owns or founded include Animal Technologies Incorporated, River City Biologicals Incorporated, and River City Brazil.

George "Skip" Wrape Jr.

Co-Founder & Director

Syed Rehan joined Cardinal Biologicals, Inc. as our Chief Science Officer and Board Member in April, 2020. Rehan is Founder and CEO of Molecular Biologicals International, Inc. ( as well as co-founder and President of Tri-Forest products. Rehan graduated with his B.S. in Genetics from the University of Illinois in 1985. He was a PhD candidate at the University from 1985-1988 and he received his MBA from California State University – San Marcos in December 1997. Rehan brings over 30 years experience to Cardinal and his passion for research and development has been well recognized in our industry. In addition to spearheading research, he has pivotal in our business development efforts as well.

Syed Rehan

Chief Science Officer and Board Member

Dana joined Cardinal Biologicals as Finance Director in February 2019. She also has a leadership role in River City Biologicals, Inc. and has held that position since 2014.

Dana Lynch

Finance Director

Dr. Cugini received her B.S. degree in Biology from McKendree College in Lebanon, IL. She went on to St. George University, where she received her M.D. After medical school, Heather completed her OB/GYN residency at Jersey Shore University Medical Center in Neptune, NJ. In 2021 she received a Graduate Certificate in Human Sexuality from the University of Minnesota. She is board certified by the American Board of Obstetrics/Gynecology.  She has treated patients in Cape Girardeau since 2010 where she is also OB/GYN Department Chair for SoutheastHEALTH Executive Committee. Dr. Cugini continues to work in private practice at Southeast OB/GYN at Women First.


Dr. Heather L. Cugini, M.D.

Medical Director