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Preceptors and Residents

Pharmacy Practice Residency Program at Memorial Hospital

Memorial Hospital
1400 E Boulder St
Colorado Springs, CO 80909
(map & directions)


Phone: 719-365-1109


Learn About Our Pharmacy Practice Residency Program in Six Steps:

» Step 1. Program Overview

» Step 2. Rotations
» Step 3. Preceptors and Residents

» Step 4. Policies and Procedures
» Step 5: Application Process



Paula Moyers, PharmD, BCPS, Pharmacy Residency Program Director

Paula MoyersPaula is the Pharmacy Clinical Manager, Residency Program Director, primary preceptor for Infectious Disease and Practice Management and assists with some topics in Internal Medicine. Paula earned her Doctor of Pharmacy degree at the University of Southern California and had many years of experience as a residency program director before starting the Residency Program here at Memorial in 2004. Over the years, she has specialized in transplantation, infectious disease, critical care, and academia. In her free time she enjoys the great outdoors, gardening, traveling near and far, her menagerie of animals, as well as being a huge ice hockey fan.

Jill Cassaday, RPh, PharmD, BCPS (Oncology)

Jill CassadayJill is the Clinical Lead Pharmacist for Oncology. She earned her Bachelor of Science in Pharmacy and her Doctor of Pharmacy from the University of Montana School of Pharmacy & Allied Health Sciences. Jill completed an ASHP-accredited Pharmacy Practice Residency at the Veterans Affairs (VA) Eastern Colorado Health Care System. In addition to her experience as an oncology pharmacist, she also has experience in ambulatory care and medication safety.

Michael Holowatyj, PharmD, BCPS (Emergency Medicine)

Mike HolowatyjMike is the preceptor for Emergency Services. He attended Purdue University for his degree in pharmacy and completed a PGY-1 at Indiana University Health followed by a PGY-2 in Internal Medicine at Indiana University. Prior to coming to Memorial Hospital, he held a joint position where he was associate faculty of pharmacy practice with Butler University and a Clinical Pharmacy Specialist of Internal Medicine at St.Vincent hospital in Indianapolis, Indiana. In his spare time he frequently attempts and fails: the cinnamon challenge, batmanning, folding a piece of paper more than seven times, and keeping his eyes open during a sneeze.

Lauren Loeper PharmD (Women's Services)

Lauren LoeperLauren is the preceptor for the Women’s Services Rotation. Lauren earned her Bachelor’s degree in Biology from the University of Colorado, Colorado Springs and her Doctor of Pharmacy from University of Colorado, Denver. Her experience includes women’s services, internal medicine, neonates and pediatrics. For fun, she enjoys hiking, travelling, and spending time with her family.

Christopher P. Martin, PharmD, MS, BCPS (Practice Management- Quality)

Chris MartinChris is the Clinical Pharmacy Quality Coordinator and one of the preceptors for Practice Management and Internal Medicine. Chris earned his Doctor of Pharmacy degree at Texas Tech Health Sciences Center School of Pharmacy. After graduation, he completed a specialty practice residency in pharmacotherapy and earned a MS in Pharmacy degree from The University of Texas College of Pharmacy.  Prior to arriving at Memorial, Chris was a clinical assistant professor at The University of Texas College of Pharmacy and at UT Health Science Center at San Antonio School of Medicine. When Chris isn't working, he enjoys spending time in the Colorado great outdoors with his family, smoking Texas style barbeque and cheering for the Longhorns - Hook'em Horns!

David Nash, PharmD (Pediatrics)

Dave is the Pharmacy Manager for Children’s Hospital Colorado at Memorial and preceptor for Pediatrics, NICU and Women’s Health. Dave earned his Doctor of Pharmacy from Creighton University School of Pharmacy and completed an ASHP-accredited Pediatric Pharmacy Practice Specialty Residency at Children’s Hospitals and Clinics in Minneapolis, Minnesota. In addition to his experience as a Pharmacy Manager, Dave was also a Clinical Lead Pharmacist at Memorial Hospital for Children at Memorial Health System and has been recognized as a Peak Performer Award winner for 2011 and 2012 (outstanding hospital pharmacist). Dave is working on climbing all 54 Fourteeners in Colorado (19 to date) and enjoys adventure races.

Jessica Peterson, PharmD, BCPS (Internal Medicine, Anticoagulation)

Jessica PetersonJess is the Clinical Lead Pharmacist for the Medical/Surgical service.  Jess earned her Bachelor of Science in Biochemistry from the University of Nebraska and her Doctor of Pharmacy from Creighton University.  Jess completed a Pharmacy Practice Residency at Memorial Health System, and then worked in several different departments prior to taking her role as the primary preceptor for the Internal Medicine and Anticoagulation rotations in 2010. Jess enjoys snowboarding, drug mechanisms, traveling to sunny locations, avoiding mornings, novel anticoagulants, hiking, updating protocols, Husker football and spending time with family.

Larry Tremel, PharmD (Practice Management)

Larry TremelLarry is the Director of Pharmacy and one of the preceptors for the Pharmacy Practice Management rotation. Larry earned his Doctor of Pharmacy degree at the University of Nebraska. After graduation, he completed a pharmacy practice residency at the University of Nebraska Medical Center.  Prior to arriving at UCHealth – Memorial, Larry was the Director of Pharmacy for United Health Services Hospitals in Binghamton, NY for 15 years and Assistant Director of Pharmacy for the University of Kansas Medical Center in Kansas City, Kansas for 9 years. Larry spends his free time bow hunting and golfing. He also enjoys cooking and spending time with his family.

Christine M. Witherspoon, PharmD, BCPS (Critical Care, Cardiology)

Christine WitherspoonChristy is the Clinical Lead Pharmacist for Critical Care and Cardiology. Christy received her Bachelor of Arts in Biology and Pre-Medicine at Augustana College in Rock Island, Illinois. Christy received her Doctor of Pharmacy from the University of Colorado, and then completed an ASHP-accredited Pharmacy Practice Residency at the Regional Medical Center at Memphis. In her free time, Christy enjoys skiing, learning to snowboard, drug trivia, going on hikes and walks, chasing two-year olds, spending time with her family and, of course, shopping.


Han Feng, PharmD (
Han FengHan, originally from Pembroke Pines, Florida, received his Bachelor of Science in Human Nutrition from the University of Florida in 2008 before pursuing and completing his Doctor of Pharmacy degree at Shenandoah University. His professional interests include pediatrics and health-system management. Han’s residency project is the development and implementation of an asthma training program for local teachers. In his spare time, Han enjoys reading, hiking, biking, and photography. He hopes to explore the numerous trails and paths in the Colorado Springs area and conquer the Incline.

Aaron Hale, PharmD (


Aaron HaleAaron, originally from California, worked as an analytical chemist before pursuing his Doctorate of Pharmacy from the University of Colorado. Aaron’s professional interests include critical care, emergency disease, and infectious diseases. When not at work, Aaron enjoys traveling the world, listening to music, reading, trying not to crash his mountain bike, cooking, photography, snowboarding, spending time with friends, and trying to enjoy everything that Colorado has to offer.

Venessa Knapp, PharmD (

Vanessa KnappVanessa received her Bachelor of Science in Health and Exercise Science from Colorado State University, and completed her Doctor of Pharmacy at the University of Wyoming. Her professional interests include pediatrics, infectious disease, and emergency medicine. In her spare time, Vanessa can be found spending time with her family, hiking, driving off road in the Rocky Mountains, and persevering through her CrossFit WOD.

Karrine Roberts, PharmD (
Karrine RobertsKarrine, originally from Washington DC, received her Bachelor of Science in Chemistry from East Tennessee State University in 2008 and completed her Doctor of Pharmacy degree from the University of Colorado in 2013. Her professional practice interests include critical care, infectious diseases, and neurology. Upon completion of her pharmacy practice residency, Karrine plans to pursue BCPS and a PGY2 residency.  She would eventually like to be a professor at a teaching hospital.  Karrine loves to travel to different countries, immersing herself in their culture and sampling their different foods. In her free time in Colorado, Karrine enjoys painting, playing sports, and spending time with her family and friends.

Contact Us

For questions about the pharmacy practice residency program at Memorial Hospital, please call the program director, at 719-365-1109.


Continue to learn more about our pharmacy residency program at Memorial Hospital...

» Step 4. Policies and Procedures