Where the experts
come to work

For over 15 years, we’ve served our community and the clinical research industry, specializing in Parkinson’s Disease, Huntington’s Disease, and other movement disorders.

Center Leadership

David Poling

Dr. Rajeev Kumar, MD

Dr. Rajeev Kumar is one of the world’s foremost experts on movement disorders, with unparalleled experience and expertise treating and researching Parkinson’s disease, Huntington’s disease, Dystonia, and many other debilitating movement disorders. Trained at the renowned Mayo Clinic, Dr. Kumar has over two decades of experience working in the fields of Neurology and Movement Disorders, and as Medical Director of Rocky Mountain Movement Disorders Center and director of the Huntington’s Disease Center of Excellence both here and at the former Colorado Neurological Institute, he has solidified his status as one of the most trusted and respected professionals in the field.

Dr. Kumar has been dedicated to the care of patients with movement disorders in Colorado since 1998. He has been designated a Dystonia Doctor of Excellence by the Dystonia Medical Research Foundation. Dr. Kumar and his team serve individuals with movement disorders from early adulthood through advanced age. Our center is dedicated to helping patients with serious neurologic conditions achieve their life goals.

David Poling

Victoria Segro, MSN, ANP-C (Nurse Practitioner)

Ms. Segro is a certified adult practitioner after receiving her master’s degree in Nursing from the University of Colorado. She has worked in movement disorders neurology since 2000. Vicki is a member of the American Academy of Neurology and International Parkinson and Movement Disorder Society. She is one of the few nurse practitioners nationally certified as a clinical research investigator with the Parkinson Study Group and Huntington Study Group. Vicki has lived in Colorado since graduating from college, and she loves to spend time with her family and participate in the arts.

David Poling

Jennifer Farren, MMSc, PA-C (Physician Associate)

Jen studied neurology at UC Berkeley during her undergrad years and completed her physician associate training at Yale University. She subsequently joined the team at RMMDC and enjoys working with individuals with all types of movement disorders. Jen feels privileged to contribute to exciting new research targeting therapies to improve the lives of her patients. Outside of the clinic, Jen enjoys reading, trying new recipes, and hiking with her family and dog, Sammie.

David Poling

Josette Pressler, LPN

Josette has over 45 years’ experience in nursing with 20 years in physical rehabilitation and the past 22 years working in movement disorders with Dr. Rajeev Kumar. Her expertise is with movement disorder exams, rating scales, clinical trials, and patient contact/communication. Josette educates patients, families, and community organizations regarding Parkinson’s disease. She enjoys many Colorado outdoor activities.

David Poling

Ayla Labbree, BSN, RN

Ayla is a Colorado native and was a medical/surgical nurse for over 4 years, two of which were spent as a travel nurse around the country. Her role at RMMDC as an RN includes administering infusions for various research studies as well as seeing patients in clinic and DBS programming. Outside of work, Ayla enjoys spending time with her husband and family, hiking, traveling, and cooking.

David Poling

Jessica Crall, Research Supervisor

Jessica has been working at Rocky Mountain Movement Disorders Center since 2013 after graduating from the University of Puget Sound with a BS in biology with an emphasis in neuroscience. She is currently a co-supervisor for the research department. Jessica enjoys being a coordinator because of the connections she makes with patients and families as well as the hope that research trials can provide. When she is not at work, Jessica enjoys cheering for the Colorado Avalanche and baking.

David Poling

Karen Ortiz, Research Supervisor

Karen has been a Research Coordinator for 18 years and has worked on over 50 clinical trials involving multiple indications. She has been with RMMDC since 2017 and is a co-supervisor of the research department. Karen enjoys working on clinical research trials because she knows she is contributing to the advancement of medicine. She enjoys spending time with her family, being outdoors, and stand up paddle boarding.

Safety and quality are paramount

Our physician has extensive background in clinical research and movement disorders, always prioritizing patient safety.




25+ years of clinical trial experience


Assisted by expertly-trained medical staff


RMCR Clinical Research

701 E Hampden Ave, Ste 510
Englewood, CO 80113


Monday: 9am – 5pm
Tuesday: 9am – 5pm
Wednesday: 9am – 5pm
Thursday: 9am – 5pm
Friday: 8am – 4pm
Saturday: Closed
Sunday: Closed

We’re a CenExel
Center of Excellence

Centers of Excellence provide unparalleled attention to detail to assure consistent and first-class quality in patient care. We have supported tens of thousands of studies, the variety and complexity of which have resulted in a great depth of experience for the principal investigators and research staff at each Center.

We deliver engagement, expertise, and results.


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