Our Physicians

Tekton's investigators have extensive experience across multiple therapeutic areas and Phases 1-4.

Therapeutic Area Leaders & SMEs

Tekton's team includes a diverse group of Principal Investigators, each with specialized subject matter expertise in their fields. Our experts collaborate closely with sponsors and CROs to provide valuable input on protocol design, eligibility criteria, study endpoints, patient diagnosis, standards of care, and more.

Amor Mehta, MD

Principal Investigator, Neurology Research Lead & KOL

Dr. Amor Mehta is a leading epilepsy and movement disorder KOL in New Jersey and one of the country’s first board-certified epileptologists, with 17 years of experience practicing neurology. He has been recognized with multiple awards for excellence, including NJ TopDoc in 2022, 2023, and 2024, and maintains a large database of research-naive neurology patients. He is the lead Principal Investigator for Tekton’s neurology research site in Marlboro, New Jersey, which features experienced staff and psychometric raters, partnerships with amyloid and tau PET facilities, and state-of-the-art video EEG capabilities on-site.

Jara McDonald, MD, FAAP, Principal Investigator at Tekton Research

Jara McDonald, MD, FAAFP

Principal Investigator, Cardiometabolic Research Lead

Dr. Jara McDonald is an Obesity, Diabetes, and Integrative Medicine Specialist with over 10 years of experience in cardiometabolic care and 4 years in clinical research. She owns and operates her own integrative direct primary care (DPC) practice focused on evidence-based mind-body wellness and integration of leading-edge research, providing personalized weight management care and individualized patient success plans. Her DPC model allows for increased patient access and facilitates in-depth discussions about research studies, enabling her to provide comprehensive care that incorporates the latest medical evidence.

Pablo Mora, MD, FACE, MSc, CDCES

Principal Investigator, Cardiometabolic Research Lead

Dr. Pablo F. Mora is a renowned Diabetes, Metabolism & Endocrinology KOL (Key Opinion Leader) with 30 years of experience in cardiometabolic care. He specializes in Type 1 Diabetes with emphasis on new insulin delivery methods and the use of modern technology for monitoring and making therapeutic decisions, and has experience with rare diseases such as Sjögren’s syndrome. Dr. Mora serves as a Clinical Professor at University of Texas Southwestern Medical Center’s Division of Endocrinology and has received several prestigious recognitions for his contributions to the field, including the Daniel Foster Award for Clinical Teaching by the Division of Endocrinology at UT Southwestern Medical Center.

Robert Lockwood, MD

Principal Investigator, Family Medicine Research Lead

Dr. Lockwood was born in Oklahoma City and has lived in the OKC area all his life. In medicine, his passion is his relationship with patients, their wellness and Direct Primary Care. He graduated from Putnam City West High School in 1984 and then attended the University of Oklahoma. In 1988 he graduated with a…

Principal Investigators

Alex Reish, DO

Dr. Reish, a Colorado native, brings a wealth of experience in headache and pain management, with a particular focus on innovative, non-opioid treatment approaches. Dr. Reish’s journey in medicine began at Denver’s Inner City Health Clinic, where he volunteered in high school, sparking his commitment to patient care. He later earned his medical degree from…

Amor Mehta, MD

Ben Phillips, MD

With over 25 years of clinical experience, Dr. Phillips brings deep expertise in treating patients with metabolic disorders and a proven commitment to advancing patient care. A graduate of Vanderbilt University, he earned his medical degree from the Medical University of South Carolina and completed his Internal Medicine residency and Endocrinology fellowship at Virginia Commonwealth…

Brandon Alleman, MD

Dr. Alleman graduated from Hope College with a BS in Mathematics and a BA in Physics. He is a former Fulbright Scholar to Budapest, Hungary where he conducted Biophysics research. He graduated from the University of Iowa with his MD and PhD in Translational Biomedicine and certificate in Biostatistics. He is a graduate of the…

Clint Flanagan, MD

Clint Flanagan, MD, is founder and CEO of Nextera Healthcare and North Vista Medical Center. Nextera Healthcare is Colorado’s first Direct Primary Care (DPC) program, established in 2009. Nextera Healthcare members are assessed an affordable monthly membership fee for unlimited office visits and virtual consultations with physicians at North Vista Medical Center and affiliate medical…

Codey Bell, MD

A native of Lumberton, TX, Dr. Robert Codey Bell has spent the majority of his adult life concerned about the medical needs of children. After getting a BS in psychology, followed by his medical degree at Texas A&M University; he did his residency at the University of Texas Medical Branch in Galveston before moving to…

David McCoy, MD

Dr. McCoy is a native Oklahoman who grew up in the West Oklahoma City/Yukon area. He attended Putnam City North High School where he graduated with a diploma with distinction. He attended the University of Central Oklahoma on an academic scholarship and graduated summa cum laude, which is the highest academic honor awarded by the…

Ernest Graypel, MD, MHA

Dr. Ernest A. Graypel is a highly regarded psychiatrist and researcher, Board Certified in Psychiatry and Neurology. As the Medical Director of Community and Long-Term Care Psychiatry, Dr. Graypel brings a wealth of expertise in geriatric psychiatry, long-term care, and advanced psychiatric treatments. Dr. Graypel received his medical degree from Saratov State Medical University in…

Jara McDonald, MD, FAAFP

Jeffrey Chasteen, DO

Kenneth Etokhana, MD

Dr. Etokhana received his medical degree from University of Benin Medical School. He proceeded after graduation to Ireland, where he trained and worked in General Pediatrics for a few years. He completed his Pediatric residency at Bronx Lebanon Hospital in New York City, where he also served as chief resident. He was awarded the best…

Kyle Rickner, MD

Dr. Rickner has been a family physician for 14 years. He loves helping patients live healthier and fuller lives through his passion as a Direct Primary Care Physician. He graduated from Southern Nazarene University where he played basketball for four years. Dr. Rickner earned his medical degree at Case Western Reserve in Cleveland, Ohio. He…

Lacy Anderson, MD

Dr. Lacy Anderson has always known she had a calling in medicine. She is currently living her dream of practicing Family Medicine, helping to improve the health of her patients and their families. She was born and raised in Oklahoma, originally being from Madill. She graduated from Westmoore High School and then attended the University…

Lisa Davidson, DO

Dr. Lisa Davidson is a well-respected Family Medicine physician who is known for her commitment to health education and disease prevention and for her passion about patients being involved in decisions about their health. Dr. Davidson has been practicing in Denver since 1997 and has won many awards, including being honored by her peers as…

Martha Arambula, MD

Dr. Arambula, a board-certified pediatrician, has been serving Yukon, Oklahoma since 1997. She earned her Bachelor’s in Biology from Southwestern University in Georgetown, Texas, and her medical degree from the University of Texas Medical Branch in Galveston. Following her residency at the University of Oklahoma Children’s Hospital, where she served as Chief Resident, before settling…

Michael Thakor, MD

Dr. Thakor is originally from North Dakota, growing up he always wanted to help people and this is what drew him into becoming a physician. He graduated summa cum laude from Creighton University and then graduated cum laude from the Creighton University School of Medicine. He completed his internal medicine residency and chief residency in…

Muhammad Siddiqui, MD

Dr. Siddiqui graduated from Sindh Medical College in Karachi, Pakistan in 2008. Dr. Siddiqui completed his Residency in Internal Medicine at St. Luke’s Hospital in St. Louis, Missouri in 2014. He went on to do his Fellowship in Endocrinology at The University of Texas Southwestern Medical Center in Dallas, Texas in 2014. He served as…

Pablo Mora, MD, FACE, MSc, CDCES

Paul Pickrell, MD

Dr. Paul K. Pickrell is a native Texan with 28 years’ experience providing personalized time to his patients diagnosing and treating rheumatic diseases. He believes that humor blended with professionalism is an important approach to establishing relationships with his patients as it relieves the stress that sometimes accompanies those with auto-immune disease and related conditions….

Ravi Singareddy, MD

Dr. Singareddy is board-certified in Psychiatry and Sleep Medicine and has been practicing psychiatry and sleep medicine for more than 15 years. He completed a combined residency program in Internal Medicine and Psychiatry and subsequently pursued a formal Sleep Medicine Fellowship. He worked for nearly 10 years at Penn State University Medical Center before moving…

Robert Lockwood, MD

Samata Basani, MD

A native of India, Samata Basani, MD completed her medical school in India. She completed her residency and worked as a chief resident at Atlanta Medical Center, Atlanta. Dr. Basani completed her fellowship in Endocrinology at U.T Southwestern Medical Center, Dallas. Dr. Basani is board certified in Endocrinology, Diabetes & Metabolism and Internal Medicine. She…

Shahid Aziz, MD

Dr. Shahid Aziz, is a double board-certified physician in Endocrinology, Diabetes, and Metabolism as well as Internal Medicine. He is a native of Chicago, Illinois, and pursued his Undergraduate Degree in Biology at Loyola University Chicago. His medical journey continued at Ross University, where he earned his Medical Degree, followed by completing his Residency in…