Our Team

Executive Team

Vishnu Nitta

Chief Executive Officer

Vishnu Nitta

Chief Executive Officer

Vishnu began his clinical research career after earning a Master's degree in Medical Sciences from Boston University. Beginning with his thesis, "The Role of Epigenetics in the Treatment of Alzheimer's Disease," Vishnu has been a fervent advocate of proactive approaches to bettering neurodegeneration. He has spent the last decade working in various roles in the clinical research industry with the mission of advancing medical treatments for all indications. Vishnu has operated research protocols from both the patient-facing site operations level and the project management element. Prior to founding Arrow Clinical Trials, Vishnu served as a co-founder / operator in another clinical research venture and as an executive consultant assisting research centers optimize their growth strategy.

David Billmeier, M.D.

Chief Medical Officer

David Billmeier, M.D.

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.

Ram Nitta

Chief Operating Officer

Ram Nitta

Chief Operating Officer

Trained as an engineer, Ram brings a systems approach to problem solving, process optimization and project management. With a background in Lean Six Sigma methodologies, Ram is always seeking to improve industry technology solutions and remove waste and variation from traditional clinical processes.

Sub Investigators

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.

Mandeep Garewal, M.D.

Investigator

Mandeep Garewal, 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.

Richard Greer, M.D.

Investigator

Richard Greer, M.D.

Investigator

Bio coming soon!

Natalie Eisenhut, NP

Investigator

Natalie Eisenhut, NP

Investigator

Coming Soon

Clinical Team

Susan Black

Lead CRC, General Medicine

Susan Black

Lead CRC, General Medicine

Susan has enjoyed working in clinical research for the last 13 years. In her time outside of the office, she enjoys playing pickleball a few times a week with friends. Susan has three sons and is happy to have a daughter-in-law in the family finally!

Ally Runge

QA Manager

Ally Runge

QA Manager

Ally Runge earned a Bachelor of Science in Health Services Administration from the University of Central Florida. Her background includes direct patient care as a Medical Assistant, Surgical Technician as well as early intervention services. Ally is a highly passionate professional committed to enhancing quality of life and expanding local access to clinical trials. She excels in the development and implementation of effective action plans and is recognized for her ability to empower, motivate and advocate for patients. She loves reading and playing Pickleball.

Andrew White

Pharmacy Coordinator

Andrew White

Pharmacy Coordinator

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.

Allana Runge

Psychometric Rater

Allana Runge

Psychometric Rater

Allana earned a Bachelor of Science in Clinical Psychology from the University of Central Florida and is pursuing her Master's in Clinical Mental Health Counseling. Her experience includes: Administering and scoring neuropsychological testing. Writing neuropsychological report summaries. Documenting statistical data. Maintaining cultural competency through years of work and advocacy for diverse populations. In her free time, Allana enjoys weightlifting, watching movies with her husband and rescue pup, and going to the beach.

Rebecca Carr

Clinical Research Coordinator

Rebecca Carr

Clinical Research Coordinator

Becca has been practicing as a nurse since 2018. She has worked in clinical trials since 2021, focusing on Alzheimer’s disease. During the COVID-19 pandemic, she was an essential worker as a bedside nurse. Before her current role as a clinical research coordinator, Becca performed crucial roles in clinical operations, including as an infusion-nurse and pharmacy operations. She enjoys outdoor activities and is an aspiring flag football superstar. She has one son, two dogs, and one husband.

Bebe Jean Baptiste

Triage Coordinator

Bebe Jean Baptiste

Triage Coordinator

Bebe recently earned a Bachelor of Science in Health Sciences-Pre-Clinical from the University of Central Florida. Bebe’s background includes four years of clinical care as a Certified Nursing Assistant in pediatric and geriatric care. She loves the unique personal experience with participants. Bebe enjoys reading and spending time with her family in her free time.

Whitney Tolan

Clinical Research Coordinator

Whitney Tolan

Clinical Research Coordinator

Whitney received her Bachelor’s in Psychology from the University of Central Florida. She has a Clinical Research background in Regulatory, Study Coordinating, and Patient Retention. Her goals are to continue to grow in Clinical Research and study various conditions. She enjoys being part of the promising advances in Medicine and Technology via Research. Whitney enjoys spending her off time with her three dogs, soon-to-be husband, and crafting.

Mathew Brewer

Lab Coordinator

Mathew Brewer

Lab Coordinator

Coming Soon

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.

Kelvisha Norton

Research Assistant

Kelvisha Norton

Research Assistant

Bio coming soon!

Gabrianna Arjona

Clinical Research Coordinator

Gabrianna Arjona

Clinical Research Coordinator

Coming Soon

Andre Cronje

Research Assistant

Andre Cronje

Research Assistant

Roosevelt Major

Lab Coordinator

Roosevelt Major

Lab Coordinator

After earning a Bachelor of Science in Computer Information Systems from Bethune Cookman University, Roosevelt served over a decade in the hospitality industry, providing customer service and systems administrator services in Freeport, Bahamas. After moving back to Florida, Roosevelt joined Arrow as part of our recruitment and participant services team. While not at Arrow, he loves spending time with his family.

Erica Mayer

Clinical Operations Consultant

Erica Mayer

Clinical Operations Consultant

Erica has worked in the field of clinical research since 2017. Throughout her research career, Erica has gained experience in a variety of areas crucial to the operation of research sites. She has taken on multiple roles, often concurrently, including: acting as coordinator and rater on studies, creating and modifying source, recruiting and retaining subjects, processing and shipping labs, and handling regulatory affairs (including study start-up and monitoring visits/query resolution). She has also trained and supervised other researchers in all of these roles. Using her experience, she excels in leading clinical teams with high attention to setting and meeting KPI's.

Marketing & Recruiting Team

George Beauchamp

Lead Recruiter

George Beauchamp

Lead Recruiter

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.

Cameron Miller

Lead Marketing Specialist

Cameron Miller

Lead Marketing Specialist

Cameron is a Florida native who loves his community and all its inhabitants. Cameron enjoys music, traveling and rock climbing.

Shawn Goepfert

Community Ambassador

Shawn Goepfert

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.

Maria Loushin

Regulatory Associate

Maria Loushin

Regulatory Associate

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.

Missy Carlson

Executive Assistant

Missy Carlson

Executive Assistant

Picture Coming Soon! Missy joined Arrow in late 2023. She has over 25 years of experience in various administrative and managerial roles, including Operations Management. She is passionate about creating a positive and productive work culture and enjoys making work enjoyable for everyone. In her spare time, she enjoys traveling and spending time with her family and friends.

Taylor Hagee

Marketing Specialist

Taylor Hagee

Marketing Specialist

Bio and picture coming soon!

Cheryl Cowser

Research Navigator

Cheryl Cowser

Research Navigator

Bio and picture coming soon!

Kendra Siren

Regulatory Associate

Kendra Siren

Regulatory Associate

Bio and picture coming soon!

Our Team

Executive Team

Vishnu Nitta

David Billmeier, M.D.

Ram Nitta

Sub Investigators

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

Mandeep Garewal, M.D.

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

Richard Greer, M.D.

Natalie Eisenhut, NP

Clinical Team

Susan Black

Ally Runge

Andrew White

Allana Runge

Rebecca Carr

Bebe Jean Baptiste

Whitney Tolan

Mathew Brewer

Garrett Crotty

Kelvisha Norton

Gabrianna Arjona

Andre Cronje

Roosevelt Major

Erica Mayer

Marketing & Recruiting Team

George Beauchamp

Cameron Miller

Shawn Goepfert

Maria Loushin

Missy Carlson

Taylor Hagee

Cheryl Cowser

Kendra Siren

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