Our Team

Executive Team

Charlie Ross, MD, FAAFP, DABOM, DABLM

President of Clinical Operations and Sub-Investigator

Charlie Ross, MD, FAAFP, DABOM, DABLM

President of Clinical Operations and Sub-Investigator

Charles Ross, MD is Board-certified in Family Medicine, Obesity Medicine, and Lifestyle Medicine. He also has the honor of being a Fellow of the American Academy of Family Physicians and a member of the Florida Academy of Family Physicians Journal Committee. Since 2006, he has practiced as a full-time physician in both Primary Care and Urgent Care, sub-specializing in Sports Medicine, Pain Medicine, and Lifestyle Medicine. During this time, he has also served as a Clinical Assistant Professor for the University of South Florida and Nova Southeastern University in Miami, clinically training Resident Physicians in Family Medicine and Internal Medicine, as well as Medical students, Nurse Practitioners, and Physician Assistants. As a clinical investigator, Dr. Ross is primarily interested in research investigating the safety and efficacy of various pharmacologic options for treating such common medical conditions as Obesity, Diabetes, Heart and Kidney Disease, Alzheimer’s and Parkinson’s Disease, and Osteoarthritis of the Knee.

David Billmeier, M.D., CHCQM

CEO & Chief Medical Officer

David Billmeier, M.D., CHCQM

CEO & Chief Medical Officer

David Billmeier, M.D. is a board-certified Family Medicine and Hospice and Palliative Medicine doctor. He has been serving the greater Daytona area for over 25 years not only in his private practice, but also as Medical Director for Volusia Health Network with Halifax Health Hospital, and as a medical consultant for NASCAR and Porsche Racing. Dr. Billmeier has been involved in clinical research as both a principal investigator and sub-investigator for the past 10 years covering a broad range of therapeutic areas including central nervous system (CNS) with specific expertise in neurodegenerative disorders, metabolic and endocrine disorders, psychiatric disorders, dermatological disorders, and cardiological conditions to name some conditions of particular interest.

Alan Abraham, MBA

Vice President of Clinical Research

Alan Abraham, MBA

Vice President of Clinical Research

Alan is a highly accomplished and results-oriented healthcare professional with over 30 years of experience in clinical research, contract negotiation, and project management.
He has held leadership positions at renowned institutions such as the NSABP Foundation, Preferred Primary Care Physicians, and Children's Hospital of Pittsburgh. His expertise encompasses a wide range of areas, including:

Clinical Trial Management: Site activation, budget negotiation, contract management, protocol development, data management, and regulatory compliance.
Project Management: Planning, execution, monitoring, and control of clinical research projects, ensuring timely completion and achieving project objectives.
Contract Negotiation: Negotiating and managing complex clinical trial agreements, including budgets, timelines, and scope of work.
Leadership & Collaboration: Leading and mentoring research teams, fostering strong relationships with sponsors, investigators, and regulatory agencies.

Alan has a proven track record of success in:

Streamlining clinical trial processes and improving operational efficiency.
Achieving and exceeding project timelines and budget targets.
Ensuring compliance with Good Clinical Practice (GCP) guidelines and regulatory requirements.
Driving innovation and implementing best practices in clinical research.

Alan is a recognized leader in the field of clinical research, having received numerous awards and accolades, including the University of Pittsburgh Medical Center ACES Award for outstanding work in an emergency situation and being appointed Chairman of the Collaborative Pediatric Critical Care Research Network (CPCCRN).

Ursula Amon, PhD, MBA

Chief Operating Officer

Ursula Amon, PhD, MBA

Chief Operating Officer

Ursula Amon, MBA, is a seasoned executive with a diverse background spanning business, and real estate development. Holding a Juris Doctor and an Executive MBA, she brings a wealth of knowledge to her roles as a COO and real estate professional. With over two decades of experience, Ursula has excelled in multifaceted leadership positions. As COO, she has overseen all aspects of business operations, including finance, legal, human resources, and marketing. Her expertise includes strategic financial planning, contract negotiations, and implementing robust financial controls. Ursula has managed cross-functional teams, ensuring seamless communication and alignment with business objectives. Her leadership extends to community involvement through active participation in local organizations.

Sub Investigators

David Henderson, M.D. , FACC

Investigator

David Henderson, M.D. , FACC

Investigator

Dr. David Henderson is a graduate of West Virginia University School of Medicine. Dr. Henderson specializes in cardiovascular disease and internal medicine. Dr. Henderson has been a clinical trials investigator for over 30 years in the cardiometabolic space. His work has contributed to numerous advancements in cardiology and patient care. He continues to stay on the cutting-edge of medicine through his ongoing efforts in clinical research through Arrow Clinical Trials.

Richard Greer, M.D.

Investigator

Richard Greer, M.D.

Investigator

Bio coming soon!

Lee Metchick, M.D., F.A.C.E

Investigator

Lee Metchick, M.D., F.A.C.E

Investigator

Lee Metchick, MD, FACE, is recognized for his exceptional contributions to the field of endocrinology and commitment to patient care. With a medical degree from a prestigious institution and specialized training in endocrinology, Dr. Metchick has dedicated his career to understanding and treating hormonal disorders. His extensive research, publications in medical journals, has advanced the knowledge of endocrine conditions.

Mandeep Garewal, M.D.

Investigator

Mandeep Garewal, M.D.

Investigator

https://neurologyassociatesormondbeach.com/

Natalie Eisenhut, NP

Investigator

Natalie Eisenhut, NP

Investigator

Natalie Eisenhut NP-C received her degree from the University of Buffalo in 2000 and has been involved in medical research for over 5 years. She has also been on faculty at the University of Central Florida since 2018, serving in various undergraduate and graduate-level education capacities. She has been a member of the American Nurses Credentialing Center (ANCC) since 2000. In her free time, she loves spending time with her daughters, attending horse competitions, and being outside.

Leslee Kubiet, Ph.D, APRN, ANP-BC

Investigator

Leslee Kubiet, Ph.D, APRN, ANP-BC

Investigator

Dr. D’Amato-Kubiet received a PhD from the University of Central Florida (UCF) in 2013 and has been on faculty at UCF since 2006 serving in various capacities of undergraduate and graduate level education. She has been a member of the American Association of Nurse Practitioners since 1998 and received the 2021 Gold Star Preceptor of the Year award from the National Organization of Nurse Practitioner Faculty. In her free time, she loves spending time with her two sons, cooking and traveling the world.

Clinical Team

Andrew White

Pharmacy & Laboratory Operations Manager

Andrew White

Pharmacy & Laboratory Operations Manager

Andrew is a Florida native who was born at Halifax Health. He has been working locally in research for over 10 years. Andrew loves his dog Lydia and likes to take her on bike rides.

Maria Loushin

Regulatory & Compliance Manager

Maria Loushin

Regulatory & Compliance Manager

Maria has over 20 years of experience in the medical field and specifically 10 years in clinical research. Maria loves working in an industry that can truly help the individual who needs it the most while advancing research. She is originally from Brooklyn, NY, and moved to Florida with my husband and 3 children in 2020. Her heart belongs to the NY Rangers and NY Yankees.

Tori Moore, RN

Clinical Research Coordinator

Tori Moore, RN

Clinical Research Coordinator

Albert Garcia

Clinical Research Coordinator

Albert Garcia

Clinical Research Coordinator

Andre Cronje

Clinical Research Coordinator

Andre Cronje

Clinical Research Coordinator

Andre received a Bachelor of Science in Biomedical Sciences from the University of South Florida. His background includes patient care as a transporter and Volusia County lifeguard. Andre is a Florida native and enjoys surfing, tennis, and the outdoors.

Nicole Davis

Clinical Research Coordinator

Nicole Davis

Clinical Research Coordinator

Ren Billmeier, MSW

Psychometric Rater

Ren Billmeier, MSW

Psychometric Rater

Ren received a bachelor's in social work from Florida State University in 2022 and a master's in social work with a concentration in Organizational Leadership and Policy Practice from University of Denver in 2023. She has worked in both clinical and administrative capacities in multiple nonprofits. Ren is passionate about incorporating DEI work and advocacy into her everyday life. In her free time, she enjoys reading, spending time outdoors, and playing with her dog, Lucy.

Areebah Ahmed

Research Assistant

Areebah Ahmed

Research Assistant

Brittany Thomas

Research Assistant

Brittany Thomas

Research Assistant

Brittany earned a Bachelor of Arts from Stetson University in 2018. She has experience with administration of neuropsychological/psychological testing, research and data management, and exposure to mental health focused environments. Brittany has a passion for research and building rapport with participants and families through the process. In her free time she enjoys reading, spending time with her pets, and furthering her education.

Vinoothna Moluguri

Research Assistant

Vinoothna Moluguri

Research Assistant

Vinoo graduated with a bachelor’s degree in biomedical sciences from the University of South Florida in 2024 along with a minor in religion and healthcare. She intends to further her education in the field of medicine and pursue a career in clinical research in the near future. Vinoo is passionate advancing medical science and improve patient outcomes. Her fascination with clinical research stems from a desire to not just practice medicine but to contribute to the discovery of innovative treatments and therapies, including exploring new avenues that go beyond conventional methods of patient care. In her free time, she enjoys binging shows, cooking and reading.

Garrett Crotty

Research Assistant

Garrett Crotty

Research Assistant

Garrett has a strong background in science, with a Bachelor's degree in Biology and a Master's degree in Conservation Technology. With a detail-oriented and thoughtful personality, he is very flexible in helping wherever he is needed at Arrow.

Kendra Siren

Regulatory Associate

Kendra Siren

Regulatory Associate

Kendra is a Native Floridian with a penchant for organization. As a wife and mom of two, her free time is anything but. Despite her never-ending to-do list, she always makes room for levity. She enjoys spending time with her husband and children, hanging out with friends, and attending concerts.

George Beauchamp

QA Specialist

George Beauchamp

QA Specialist

George was born on a chicken farm in the wild uplands of Central Florida which gave him a profound appreciation of the chicken’s distant ancestors, dinosaurs. He passionately pursues education on the paleontological past, but at Arrow, he hopes to make a mark on the future by imbuing everyone he speaks to about the importance of clinical research and its impact on creating a better tomorrow. When he is not educating prospective participants, he actively hosts and participates in Dungeons and Dragons groups.

Roosevelt Major

Lab Coordinator & IT Manager

Roosevelt Major

Lab Coordinator & IT Manager

Mathew Brewer

Lab Coordinator

Mathew Brewer

Lab Coordinator

With over fifteen years of dedicated service in the healthcare industry, spanning from outpatient settings to nursing homes and assisted living facilities, Mathew has spent five of those years actively engaged in the dynamic environment of medical laboratories. He has worked closely within the community, shedding a positive light on healthcare practices. Beyond his professional commitments, Mathew passionately advocates for the outdoors. He enjoys activities such as gardening, camping, and hiking, all while serving as a mentor for the local Scouts of America group. During his days off, he expresses his creativity through various crafts, including woodworking, welding, cooking, and storytelling.

Cheryl Cowser

Research Navigator

Cheryl Cowser

Research Navigator

Bio coming soon!

Marketing & Recruiting Team

Shawn Goepfert

Marketing & Recruiting Manager & Community Ambassador

Shawn Goepfert

Marketing & Recruiting Manager & Community Ambassador

Shawn can be found in the community when he is not recruiting patients. He is a mainstay in the Greater Daytona Beach service clubs and currently serves as a board member of the Miracle League of Volusia. He loves to volunteer his time coaching youth flag football.

Debbie Whitley

Bookkeeping & Admin

Debbie Whitley

Bookkeeping & Admin

Taylor Hagee

Marketing Specialist

Taylor Hagee

Marketing Specialist

Taylor earned her bachelor's degree in business studies from Stockton University. She has three years of experience in digital marketing and enjoys using her creativity to create engaging eye-catching content. Originally from New Jersey, Taylor recently relocated to Florida. She loves working out, going to the beach, and cooking in her free time.

Alex Willhoite

Marketing & Recruiting Specialist

Alex Willhoite

Marketing & Recruiting Specialist

Our Team

Executive Team

Charlie Ross, MD, FAAFP, DABOM, DABLM

David Billmeier, M.D., CHCQM

Alan Abraham, MBA

Ursula Amon, PhD, MBA

Sub Investigators

David Henderson, M.D. , FACC

Richard Greer, M.D.

Lee Metchick, M.D., F.A.C.E

Mandeep Garewal, M.D.

Natalie Eisenhut, NP

Leslee Kubiet, Ph.D, APRN, ANP-BC

Clinical Team

Andrew White

Maria Loushin

Tori Moore, RN

Albert Garcia

Andre Cronje

Nicole Davis

Ren Billmeier, MSW

Areebah Ahmed

Brittany Thomas

Vinoothna Moluguri

Garrett Crotty

Kendra Siren

George Beauchamp

Roosevelt Major

Mathew Brewer

Cheryl Cowser

Marketing & Recruiting Team

Shawn Goepfert

Debbie Whitley

Taylor Hagee

Alex Willhoite

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