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Preceptors and Residents

  • Kate Jeffers, PharmD, BCOP, Residency Program Director
  • Larry Tremel, PharmD / Director of Pharmacy
  • Alyssa Douville, PharmD, BCPS (Critical Care)
  • Angela Ricke, PharmD, BCPS (Anticoagulation, Internal Medicine)
  • Carrie Beckman, PharmD, BCPS (Women's Services, Internal Medicine)
  • Kali Zackery, PharmD (Staffing and Internal Medicine)
  • Michael Holowatyj, PharmD, BCPS (Emergency Medicine)
  • Leslie Devlin, PharmD, BCPS (Emergency Medicine)
  • Josh Perry, PharmD (Emergency Medicine)
  • Amy McManness PharmD, BCPS (Emergency Medicine)
  • David Nash, PharmD (Pediatrics)
  • Lauren Loeper, PharmD, BCPS (Women's Services)

  • Elizabeth England, PharmD
  • Diana Fischer, PharmD
  • Kyle McDaniel, PharmD
  • Ruby Nkwenti, PharmD


Kate Jeffers, PharmD, BCOP (Ambulatory Oncology) / Pharmacy Residency Program Director
Kate is the Ambulatory Oncology Clinical Specialist and preceptor for the Ambulatory Oncology rotation. She is originally from Severna Park, MD. She received her Bachelor of Science degree in Biology at Virginia Polytechnic Institute and State University and completed her PharmD at The University of Maryland School of Pharmacy. She went on to complete her PGY1 and PGY2 Oncology Residency at The Johns Hopkins Hospital in Baltimore, MD. She is currently completing her Masters in Health Care Administration with a specialization in Health Care Leadership through Capella University. She maintains an active role in the American Society of Health System Pharmacists, where she has served as the Resident Member to the Commission on Credentialing and is currently on the Executive Committee of the New Practitioners Forum. Outside of her professional life, Kate loves spending time with friends and family, cooking, shopping, football (Go Ravens!), and spending time outdoors.

Larry Tremel, PharmD, / Director of Pharmacy
Larry 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.

Christopher P. Martin, PharmD, MS, BCPS (Practice Management – Quality)
Chris 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!

Alyssa Douville, PharmD, BCPS (Critical Care)
Alyssa is one of the Critical Care clinical pharmacists and preceptor for the Critical Care rotation. Alyssa received her Doctor of Pharmacy degree from Drake University in Des Moines, IA and then completed a PGY-1 and PGY-2 Critical Care residency, both at the University of Chicago Medical Center in Chicago, IL. In her spare time she enjoys hiking and exploring beautiful Colorado, driving up to Denver to re-live her city life, traveling back and forth from Minnesota and Illinois to visit family, spending time with her husband, cheering for the Chicago Blackhawks and Minnesota Twins, and not being in the Midwest during the winter!

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) and is a certified inernal coach.

Carrie Beckman, PharmD, BCPS (Women’s Services, Internal Medicine)
Carrie is a Clinical Staff Pharmacist and co-precepts the Women’s Services Rotation and the Internal Medicine Rotation. She attended University of Nebraska as an undergraduate and received her PharmD from the University of Minnesota in 2007. Carrie then completed a PGY-1 residency at Yakima Valley Memorial Hospital in Yakima, Washington Steand stayed there for 6 years before coming to Colorado. Carrie has practice experience in internal medicine, women’s services, cardiology, oncology and anticoagulation. She enjoys photography, travelling to warm places, storytelling podcasts, and spending time with her family.

Kali Zackery, PharmD (Staffing and Internal Medicine)
Kali is a Clinical Staff Pharmacist for the Medical/Surgical service. Kali earned her PharmD at Ohio Northern University and completed the first Pharmacy Practice Residency at Memorial Health System. Kali specialized in Cleanroom services prior to a return to the Medical/Surgical team. As a super user for implementation of both Cerner Millennium and Epic, Kali is the Primary Staffing Preceptor. In her free time, Kali enjoys hiking, playing with her dog, seeing just how many freckles she can acquire in the summer, renovating the house/building things, and reading.

Lauren Loeper, PharmD, BCPS (Women’s Services)
Lauren 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.

Angela Ricke, PharmD, BCPS (Anticoagulation, Internal Medicine)
Angie is a preceptor for Anticoagulation and Internal Medicine. She earned her Bachelor of Science in Chemistry from Newman University in Wichita, Kansas and her PharmD from Creighton University. Angie completed a Pharmacy Practice Residency at Wesley Medical Center in Wichita, Kansas and has been with Memorial Hospital since 2011. Angie enjoys hiking the Incline, keeping up with her three kids and watching Chiefs football.

Michael Holowatyj, PharmD, BCPS (Emergency Medicine)
Mike 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.

Leslie Devlin, PharmD, BCPS (Emergency Medicine)
Leslie attended the University of New Mexico College of Pharmacy and completed her PGY1 residency at Memorial Hospital in Colorado Springs. Her main interests are Emergency Medicine and Infectious Disease and she currently works in the Emergency Department as an ED pharmacist. Outside of work she likes to snowboard, swim, bike, run and do yoga.

Josh Perry, PharmD (Emergency Medicine)
Josh graduated from Shenandoah University in Winchester, VA and went on to complete a PGY1 at Rockingham Memorial Hospital in Harrisonburg, VA. Josh has worked both inpatient and outpatient pharmacy at various retail chains. When Josh is not here working in the ED, he enjoys spending time with his wife, who happens to be a pediatric pharmacist. Josh also enjoys football, snowboarding, hiking, and playing on his summer kickball league.


Elizabeth England, PharmD
Liz England was born in Montreal, but raised in New Jersey. She completed her bachelors at Washington University in St. Louis before moving to New York to work in finance. A career change sent her to pharmacy school at the Philadelphia College of Pharmacy, and now she has happily moved west to be closer to the great outdoors. Liz’s current professional interests are pediatrics, critical care, and oncology. When not at work she enjoys cooking and baking, hiking with her dog, Brie, and is looking forward to her first winter in Colorado to start skiing again.

Diana Fischer, PharmD
Diana Fischer is originally from New York City and has lived all over the United States as well as Kobe, Japan. She completed her Pharm.D. at the University of Utah in Salt Lake City. Her professional interests include: internal medicine, infectious disease, cardiology and pediatrics. In her free time she enjoys spending time with family (and pets), running, baking and exploring Colorado.

Kyle McDaniel, PharmD
Kyle McDaniel is from Carbondale, Kansas. He completed his PharmD at the University of Kansas in Lawrence, Kansas. His pharmacy areas of interest include critical care, emergency medicine, and infectious disease. Outside of the hospital, Kyle enjoys hiking, golfing, running, skiing, and most importantly, watching Kansas Basketball. Rock Chalk!

Ruby Nkwenti, PharmD
Ruby Nkwenti is from Silver, Spring Maryland. She obtained her Pharm. D degree from the University of Maryland, Eastern Shore School of Pharmacy in Princess Ann, MD in 2015. Ruby completed her undergraduate education at University of Maryland Baltimore County, where she obtained her Bachelor of Science degree in Biochemistry and molecular biology. Before making her switch to pharmacy she worked as a research production associate in the Biotechnology Company Lonza and Chesapeake Perl Inc for about four years. Her interest in pharmacy includes Pediatrics, Emergency Medicine, and Academia. For leisure she enjoys hot vinyasa Yoga, Zumba, travelling, snowboarding and obstacle races. She also enjoys time with her family and looks forward to the Redskins doing well this season.

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