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Emily Ptaszek, PSYD, MBA, FACHE

President and Chief Executive Officer (with Peak Vista since 2022)

With 10 years of executive leadership in community health centers, Dr. Emily Ptaszek is committed to advancing health equity, access and whole-person primary health care. She comes to Peak Vista from Southwest Florida, where she most recently served as President & CEO at a Federally Qualified Health Center.  

Dr. Ptaszek is a licensed psychologist and spent over a decade providing direct care before entering executive leadership. Her background has fueled her passion for providing high quality, patient-centered care to all and building competent, compassionate and cohesive teams that drive both community-wide and organizational change.  

Dr. Ptaszek earned her Doctor of Psychology from Loyola University Maryland in Baltimore, Maryland and received her Master of Business Administration with a focus in health care from Florida Atlantic University - College of Business. She is a board-certified clinical psychologist and is a Fellow of the American College of Healthcare Executives (FACHE). 

In her free time, Dr. Ptaszek enjoys spending time outside and finding new places to hike and explore. 


Lisa Ramey, DO

Chief Medical and Dental Officer (With Peak Vista since 2010)

Dr. Lisa Ramey joined Peak Vista Community Health Centers in 2010 as a staff pediatrician. Her clinical pediatric experience has included hospital-based group practice and private solo practice.

She has been extensively involved in medical education since the completion of her pediatrics residency in 1999.  She was a clinical preceptor for Florida Hospital East Orlando Family Practice Residency where she received the Outstanding Educator of the Year award twice. She has also taught general pediatrics to medical students for Nova Southeastern University College of Osteopathic Medicine. Other duties included being Associate Professor for both the Rocky Vista University School of Osteopathic Medicine and the University of Colorado School of Medicine. 

Her administrative experiences have included multiple committee chair positions, Pediatric Section Chair, Assistant Chief of Staff and Chief of Staff. Dr. Ramey also served as Medical Director while in private practice. During her time with Peak Vista Community Health Centers she has served as Vice President of Medical Services, Senior Vice President of Medical Services and is now the Chief Medical and Dental Officer.

Dr. Ramey graduated from the Chicago College of Osteopathic Medicine in 1995 followed by a pediatrics residency at Lutheran General Children’s Hospital in Illinois in 1999.  She is board certified in pediatrics by the American Board of Pediatrics and has been elected a Fellow of the American Academy of Pediatrics.


Robert Nartker, MBA

Chief Operations Officer (With Peak Vista since 2019)

Robert is originally from Hillsboro, Ohio, however has spent the last 25 years in Colorado Springs, Colorado. Rob completed his Master’s in Business Administration in Healthcare Management from Colorado Technical University. He has 26 years of health care experience that includes executive management of a myriad of specialty and primary care practices, urgent care locations, and oversight of a residency program. Rob is a member of the American College of Health Care Executives, and is also a licensed PTA. He sits on several area boards including the American College of Health Care Executives and Home Front Military Care Network Advisory Board.

During his free time, Rob enjoys spending time with his wife and three sons.

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Ryan Spillane, MBA

Chief Financial Officer (With Peak Vista since 2022)

Ryan has lived and travelled globally but considers Colorado Springs his home. He is a 20-year career Army Veteran, with half his career flying medical helicopters, and the other half leading healthcare administration through operations and finance.

He most recently served as the COO of Evans Army Community Hospital and concurrently as the CFO of the Colorado Military Health System.

He is a graduate of the University of Colorado here in Colorado Springs and earned his MBA from Western Kentucky University. He is a member of the American College of Healthcare Executives and is passionate about influencing operations through the financial lens.

He and his wife focus on their seven children and he enjoys playing jazz guitar and working under the hood of old muscle cars in his spare time.

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Barbara Gibbons

Chief of Staff

As Chief of Staff, Barbara serves as the voice of the CEO in the interest of managing projects to completion, tracking timelines, and planning for the PVCHC Board of Directors meetings, and works hand in hand with the Executive Team, Senior Leadership Team, and project management office.

Barbara is originally from Pennsylvania and has lived in Colorado Springs for the past 16 years. Before joining the Peak Vista team, she held positions as a Manager of Urgent Care, managing day-to-day operations for six Urgent Care Clinics across Southern Colorado; a Clinic Supervisor for three Physical Therapy Clinics; and served in Business Support for Health Care Executives. 

She earned her master’s degree in Organizational Leadership and bachelor’s degree in Health Care Administration from Colorado State University, as well as an associate degree in Computer Science from Mount Aloysius College. In her spare time, Barbara enjoys spending time with her husband and three sons kayaking, camping, and enjoying time outdoors.


Joel Tanaka, MD

Senior Vice President of Healthy Equity & Community Education (With Peak Vista since 2019)

Dr. Tanaka is from Idaho and a twenty-six-year Army Veteran. He completed his undergraduate studies at the United States Military Academy at West Point, New York in 1992 and went on to graduate from the Uniformed Services University of the Health Sciences (USUHS) in 1996. Dr. Tanaka is passionate about serving people who have access barriers.

“My relationship with patients is based on mutual trust and respect,” comments Dr. Tanaka. “I believe that the majority of the healing process in people happens outside of the medical system – where people live, work, worship, play and socialize.”

During his free time, Dr. Tanaka enjoys spending time with his family and cheering for the Denver Broncos.


Colt Corman

Senior Vice President of HEALTH CENTER PROGRAMS (With Peak Vista since 2014)

A native of Colorado Springs, Colt has been serving and investing in the lives of Colorado’s underserved and disenfranchised community with Peak Vista since 2014, and brings over 19 years of organizational development and business leadership to compliment this passion for creating positive change in our community.

In addition to earning his Master of Business Administration from the University of Colorado, Colt has many years of community development experience both domestically and overseas – fueled by his passion for service, fighting social inequality and a belief in the power of compassionate advocacy to create change.

Colt spends his free time with his wife and sons, exploring Colorado’s spectacular mountains.

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Harold "Geo" Geolingo, MHA

Senior Vice President of Ambulatory Clinical Operations (WITH PEAK VISTA SINCE 2021)

Harold Geolingo is originally from La Verne, California and has lived in Colorado Springs, Colorado for 15 years.  He has over 30 years of health care management and leadership experience that spans the spectrum of specialty care, primary care, and behavioral health in ambulatory and hospital settings. Geo has a passion and belief in quality health care that is patient-centric and evidence-based to achieve the best possible outcomes for the patient.  He earned a master’s degree in Health Care Administration from Baylor University and a bachelor’s degree in Business Economics from the University of California at Santa Barbara. Geo is a twenty-year US Army Veteran and a proud member of Alpha Phi Alpha Fraternity Incorporated.

In his free time, Geo enjoys spending time with his wife and daughters.


Karen Campbell, DO

Vice President of Medical Services (With Peak Vista since 1999)

Dr. Campbell received her undergraduate degree in Molecular and Cellular Biology at the University of Colorado and her graduate degree from Midwestern University, Chicago College of Osteopathic Medicine.    

Since joining Peak Vista in 1999, Dr. Campbell has been providing care for patients of all ages and has served as the director of Peak Vista’s Health Center at Union for 10 years. Most recently, she directed the Health Center at Wahsatch and the Lane Family Health Center.

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Brett Whetstine, PA-C

Vice President of Medical Services (with Peak Vista since 2009)

Brett has a Master of Science in Physician Assistant Studies from the University of St. Francis in Albuquerque, New Mexico. He joined Peak Vista in 2009 as a physician assistant. In his time with Peak Vista, he practiced in Peak Vista’s Rheumatology clinic, providing specialty care and diagnoses to those with rheumatology, and eventually became the medical director at the Lane Family Health Center and the Health Center at Divide. 

Brett is a mission-driven provider who cares deeply for his patients, “I appreciate the trust my patients and their families place in me to provide their care.”

In his free time, Brett enjoys spending time outside cycling, skiing and snowboarding. 


Deb Gilbert

Vice President of Information Technology

Deb is originally from Sao Paulo, Brazil and has been in Colorado Springs for 15 years. She comes to Peak Vista with 20+ years of IT experience, including non-profit exposure. She is a skilled IT Engineer, and oversees the IT Department. Deb has been a supporter of Peak Vista's mission for a long time, and sees Peak Vista as a dream company to work for.

In her spare time, she enjoys riding her motorcycle, camping and skiing.


Adam Hills

Vice President of Business Informatics

Adam is a native of Colorado Springs. He completed his Bachelor’s Degree in Technical Resource Management from Southern Illinois University – Carbondale. He is passionate about bringing exceptional health care to people facing access barriers.

During his free time, Adam enjoys spending time with his family, cooking and playing sports.


Richard Leensvaart, DDS

Vice President of Dental Services (With Peak Vista since 2011)

Dr. Leensvaart attended school at the University of Colorado Health Science Center - School of Dentistry, and graduated in 2011 with a Doctor of Dental Surgery degree. Dr. Leensvaart began as a student intern with Peak Vista and is originally from LIttleton, CO.

When not working, Dr. Leensvaart enjoys skiing, snowboarding and woodworking, and enjoys vacationing in Steamboat Springs, Colorado.


Amie McCarthy

Senior Director of Community Outreach (COVID) - With Peak Vista since 2015

Amie has been with Peak Vista since 2015, serving most recently as our Vice President (VP) of Clinical Operations for Dental. She previously held roles as a director, and later VP, of Clinical Operations for Medical services. Amie is originally from Massachusetts. There, she worked for Boston Children’s Hospital while attending Suffolk University where she earned her Master of Public Administration (MPA).

Prior to joining Peak Vista, Amie also served as a Director in a Residential Treatment program for the Robert F. Kennedy Action Corps. Across nearly ten years in the role, Amie worked with teenagers in the Key Program who were battling social and emotional issues, partnering with them and their families with the goal of reunification. She also began one of the first therapeutic mentoring programs in the state where she would meet with teens in their homes or within their communities, and partner with them on goals they and their families were striving to achieve. In her spare time, Amie enjoys weightlifting, reading, spending time with her dogs, and crafting.


Autumn Orser, MD

SENIOR Vice President of HEALTH Informatics (With Peak Vista since 2012)

Dr. Orser is a native of Colorado and received her medical degree from the University of Colorado School of Medicine.  She chose to practice Pediatrics at Peak Vista because of the organization’s commitment to the underserved and to providing exceptional patient care for everyone.

Dr. Orser enjoys gardening, her family, and music; her favorite sport is kayaking.  Her favorite movie is Pride and Prejudice.  She likes to vacation in Gunnison CO and in Zihuatenjo Mexico; she’d love to spend a week snorkeling in the Atlantic Ocean!


Darvi Rahaman, MD

Vice President of Medical Services (With Peak Vista since 1999)

Dr. Rahaman was born in Trinidad and Tobago and moved to the United States when he was 14. He has been a general pediatrician at Peak Vista since 1999, at which time he was the sole pediatrician. In 2005, he became the Director of Peak Vista’s Pediatric Health Center, supervising nine pediatric providers. He was promoted to Assistant Vice President of Medical Services in 2007, and oversees the Pediatric Health Center, Women’s Health Center, Family Health Center at Myron Stratton and Falcon Peak Health Center.

Dr. Rahaman received his undergraduate degree from the University of Southern California, majoring in Biomedical Engineering. He obtained his medical degree from UCLA School of Medicine, and completed his residency and chief residency at Mattel/UCLA Children’s Hospital.  He currently serves as an Associate Clinical Professor of Pediatrics at the University of Colorado School of Medicine where he has been on the clinical faculty since 2001.

Dr. Rahaman is passionate about continuing to improve patient access and quality of care for the underserved; and promoting that a focus on education is the proven way out of the cycle of poverty.

He and his family enjoy all the outdoor activities that Colorado has to offer.


Randall Seeman, PA-C

Vice President of Medical Services (With Peak Vista since 2012)

Randall grew up in Centennial, Colorado. He graduated with a Master of Science from Harding University as a Physician Assistant. Randall started at Peak Vista in 2012. Randall enjoys spending time with his wife and children. He and his family love watching and playing soccer and basketball and appreciate living in Colorado!


Sherri Sharp, PhD

Vice President of Behavioral Health

Dr. Sharp completed her undergraduate degree from Indiana University Northwest in Gary, Indiana and went on to graduate with her PhD in Psychology in 2004. Dr. Sharp completed her residency in Pediatric Psychology at the University of Texas Medical Branch and completed a Fellowship in Clinical Psychology at Shriners Hospitals for Children. Dr. Sharp is passionate about the way Peak Vista strives to provide exceptional care to individuals who may not otherwise be able to access health care. Dr. Sharp specializes in behavioral health changes and coping with chronic health conditions and accomplishes these with short-term, solution-focused intervention.

In her spare time, Dr. Sharp enjoys spending time with her family and loves to explore new places.


Cassidy Palermo

Vice President of Clinical Operations (with Peak Vista since 2015)

As a medical social worker, Cassidy Palermo is passionate about serving the community, especially those who may need a hand overcoming barriers to achieving optimal health and wellness. Her history of helping patients find housing, care and workforce support in Illinois makes her the perfect fit at Peak Vista. 

Cassidy started at Peak Vista as a member of the High-Risk Care Management team. She now oversees Peak Vista’s Behavioral Health Operations and Special Programs and Projects. Cassidy is known for her instrumental role in opening Peak Vista’s Enrichment & Counseling Center. 

Cassidy likes to spend time with her spouse and kids hiking the Manitou Incline or having arts and crafts days as a family. 


Amy Roberts

Vice President of HUMAN RESOURCES

Amy is originally from Ohio, however, Colorado Springs has been her home for the past 23 years. Amy joins Peak Vista after spending close to 13 years in healthcare HR and has held roles such as Director of Human Resources, Director of Staffing Operations, Clinical HR Manager and Healthcare Recruiter. She earned a bachelor’s degree in Communications with a minor in Business Administration from the University of Colorado at Colorado Springs and a master’s degree in Strategic HR Management from the University of Denver.

Amy is a member of multiple associations and loves to volunteer her time to UCCS, whether it’s through mentorships, scholarship programs, career coaching or being a panel/guest speaker. She truly has an affinity for higher education and helping people achieve success in their career paths. 

In her free time, Amy enjoys spending quality time with the people she cares about and this includes spending time with her two beautiful dogs.

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Rachel McBride

Vice President of Revenue Cycle Management

Rachel comes to Peak Vista with 20+ years of Revenue Cycle experience in hospital and provider services including family practice, cardiology, pulmonology, urology, gastroenterology, OB/GYN, pediatrics, urgent care, and more.

Rachel earned her master’s degree in business administration and has been a Certified Professional Coder since 2009. She previously worked in the behavioral health field in Austin, Texas as a Case Manager/Case Coordinator supporting individuals in need, helping them to live independently in the community. Having worked with a 4-time HFMA MAP award-winning organization in revenue cycle, she works towards patient accounts excellence.

In her spare time, Rachel enjoys hiking, skiing, and celebrating life with her husband and three children.