Who We Are


Dan D. Matlock, MD, MPHDan Matlock sq

Associate Professor, Medicine-Geriatrics

Director, Colorado Program for Patient Centered Decisions

Dan Matlock is an Associate Professor of Medicine in the Division of Geriatrics at the University of Colorado School of Medicine. He is board-certified in Internal Medicine, Geriatrics, and Palliative​ care. His research is aimed at fundamentally changing and improving how patients make decisions around invasive technologies. He has been funded under an NIH career development award, three NHLBI RO1s (two Co-I, one PI), and four PCORI projects studying shared decision making among older adults making decisions around invasive technologies. He has participated in the American College of Cardiology’s shared decision making task force and he is also an active participant of the International Patient Decision Aid Standards writing committee. Recently, he has also been named Director of Implementation Research for the Denver Veterans Affairs Geriatric Research, Education, and Clinical Center.

Contact: Email | 303.724.9941 | Publications

Larry Allen new crop (1)​Larry Allen, MD, MHS​

​Professor, Medicine

​Associate Division Head for Clinical Affairs, Cardiology

​Medical Director, Advanced Heart Failure

Larry Allen is a Professor of Medicine in the Division of Cardiology. His primary research interest has been to better anticipate progression into end-stage heart failure and then help patients make tough choices regarding invasive therapies and palliative options. He is co-director of the Colorado Program for Patient Centered Decisions ( https://patientdecisionaid.org/). He lead the PCORI-funded multicenter trial of decision support for patients and their caregivers offered a left ventricular assist device (the DECIDE-LVAD trial) and now is helping to disseminate these results. He is also leading an American Heart Association (AHA) Network Award investigating tools to increase patient engagement around heart failure medication prescribing decisions (the EPIC-HF trial, 2016-2020). He recently served as Chair for the AHA Committee for Heart Failure and Transplantation. He is Associate Division Head for Clinical Affairs in Cardiology and Medical Director of Advanced Heart Failure at the University of Colorado. He stays grounded by regularly seeing patients with heart failure, LVADs, and transplants, and is consistently voted in 5280 Magazine as one of Denver’s “Top Doctors”.

Contact: Email​ | 303.724.4713


Cknoepke HeadshotChristopher E. Knoepke, PhD, MSW, LCSW

Instructor, Division of Cardiology

Chris Knoepke is an Instructor in the Division of Cardiology at the University of Colorado, having joined ACCORDS and the Shared Decision Making Core in 2015 as a Postdoctoral Fellow. His research investigates means by which to improve the inclusion of patient values and voice in medical decisions, especially those which are technologically complex, emotionally burdensome, or for stigmatized conditions. He holds a bachelor’s degree in psychology from Monmouth College, a Masters of Social Work from Washington University in St. Louis, and a PhD in Social Work from the University of Denver. His work is currently supported by three NIH-funded trials of decision support materials (two from NHLBI and one from NIMH), pilot project funding from both the Palliative Care Research Collaborative and the Colorado Center for Women’s Health Research, and a career development award from the American Heart Association.

Contact: Email | 303.724.9938

Carmen LewisCarmen L. Lewis, MD, MPH

Associate Professor of Medicine

Dr. Carmen Lewis is an Associate Professor at the University of Colorado School of Medicine in the Division of General Internal Medicine. She is a practicing general internist and a health services researcher. She completed her Masters in Public Health in Epidemiology and a Residency in Preventive Medicine at the University of North Carolina. Her current and past research includes broad areas of medical decision making, preventive care and cancer screening, and health care quality. Dr. Lewis has developed decision support for patients and physicians and has evaluated methods to implement decision support into ambulatory practices. She has been funded by the National Cancer Institute through a K07 career development award and two R21 grants through AHRQ studying individualized decision making for colorectal cancer screening in the elderly. She recently completing a randomized controlled trial funded through AHRQ aimed at promoting appropriate colon cancer screening using a targeted decision aid for elderly adults. She was also a co-principal investigator on an ARRA award through Health and Human Services to test three methods of implementing decision support on prostate cancer screening and treatment decision making.

Contact: Email

Colleen K. McIlvennan, PhD, DNP, ANPColleenMcIlvennan1

Assistant Professor of Medicine

Dr. McIlvennan is an Assistant Professor of Medicine in the Division of Cardiology at the University of Colorado. Colleen earned her Bachelor of Science in Nursing degree at Marquette University and her Masters of Science, Doctor of Nursing Practice, and PhD degrees at the University of Colorado, Anschutz Medical Campus. She currently works as the Lead Nurse Practitioner in the Advanced Heart Failure and Transplantation Section at the University of Colorado. Her clinical experiences with patients who have advanced heart failure have led her to pursue a research career grounded in this patient population. She has experience with qualitative methodology and mixed methods. Her research focuses on family caregivers, decision making, end-of-life preferences.

Contact: Email 

Megan Morris​Megan Morris, Ph​D, MPH​

Associate Professor, Division of General Internal Medicine

Founder, Director of Learning Collaborative to Address Disability Equity in Healthcare (LEADERs)

Dr. Morris is an Assistant Professor in the Department of Family Medicine at the School of Medicine. She earned her BS in Communication Disorders from Boston University, an MS in Speech-Language Pathology, an MPH with a Health Policy and Systems Concentration, and a PhD in Rehabilitation Science from the University of Washington in Seattle, WA. She completed a post-doctoral fellowship in Health Services Research at the Feinberg School of Medicine at Northwestern University. Dr. Morris serves as a qualitative and mixed methods expert on multiple health services research studies. She has worked across a multitude of clinical areas and is particularly interested in employing qualitative methodologies and methods to engage key stakeholders in identifying and addressing disparities in care experienced by vulnerable populations. In her own research, she aims to identify and address provider- and organization-level factors that contribute to healthcare disparities experienced by patients with disabilities. She is the founder and director of the national Learning collaborative to Address Disability Equity in HealthcaRe (LEADERs).

Contact: Email | 303.724.3535


Laura SchererLaura Scherer, PhD​

Assistant Professor, Division of Cardiology

Dr. Scherer received a PhD in social psychology from Washington University in St. Louis and completed a postdoctoral fellowship at the University of Michigan Center for Bioethics and Social Sciences in Medicine and Ann Arbor VA. She was an Assistant Professor at University of Missouri Department of Psychology before moving in 2018 to pursue a focus on medical decision making research at the University of Colorado. Her research lies at the intersection of behavioral science, decision-making and medicine, and seeks to understand patient preferences, healthcare seeking vs. avoidance, and how to facilitate shared decision making and improve communication between doctors and patients. Methodological expertise: survey research, experimental design, measurement scale development and validation. ​

Contact: Email | 303.724.5749

Channing Tate (1)Channing E. Tate, PhD, MPH

Assistant Professor - General Internal Medicine

Dr. Tate is an Assistant Professor in General Internal Medicine and an investigator in the Colorado Program for Patient Center Decisions. She joined ACCORDS in 2015. Dr. Tate is also a recipient of the University of Colorado Cancer Centers Rising Stars in Research Endowed Chair. She is a Colorado native who grew up in Boulder. She attended Xavier University in Cincinnati, OH where she earned a B.S. degree. Dr. Tate began her research career working in the private sector at a biotech company before earning an MPH degree at the Colorado School of Public Health in 2008. She received her PhD in Health and Behavioral Sciences from the University of Colorado Denver. Dr. Tate has worked on a variety of research projects for both the University of Colorado and at Denver Health. Her research interests include working with disparate populations and health disparities, aging populations, hospice, and end-of-life care transitions, and shared decision-making.

Contact: Email​ | 303.724.8985

Research Staff

Ellie BreretonElinor (Ellie) Brereton, MA

Professional Research Assistant

Ellie Brereton joined ACCORDS in November 2018 as a Professional Research Assistant for the Colorado Program for Patient-Centered Decisions. She received her BS in Psychology in 2014 from Northern Arizona University and worked as a Behavioral Health Specialist after graduation. She completed her MA in Medical Anthropology from DU in 2018 and has a background in qualitative research. Ellie is the proud dog-mom of a golden doodle named George.

Contact: Email​ | 303.724.8159


Geoffrey HargerGeoffrey Harger, MPH

D2V Professional Research Assistant

Geoffrey joined ACCORDS in January 2020 as a Professional Research Assistant. He earned his Bachelor of Arts in Public Health from the University of Colorado - Denver in 2016, and his Masters of Public Health with a concentration in Epidemiology from Oregon State University in 2019. Some of his prior public health experience includes administering household questionnaires, health promotion program evaluation, and analyzing public health surveillance data - for research and local health department needs

Contact: Email | 303.724.8854

Monica Edwards2 (1)​Monica Fitzgerald, MPH

Senior Professional Research Assistant

Monica Fitzgerald joined the Shared Decision Making Core as a Professional Research Assistant in 2018, coordinating and managing multiple local and national research projects. She received her MPH from the Colorado School of Public Health in 2021 and her BA in History and Asian Studies in 2013 from the University of Puget Sound. Prior to joining ACCORDS, Monica taught middle school History and English in under-resourced schools in Phoenix and Denver. Monica has a passion for working with the local community to achieve high-quality research and coordinates the bimonthly Patient and Family Research Advisory board in which community members advise on research projects from across campus. Her research interests include qualitative research, health disparities, and mental health. In her free time, Monica enjoys running rivers in the summer, and hiking up mountains and skiing back down them in the winter.

Contact: Email​ | 303.724.9022

Kate Noonan, BA, MSW

Senior Professional Research Assistant

Program Manager - Colorado Center for Patient-Centered DecisionsKate Noonan

Kate joined ACCORDS in September 2021 as the Program Manager/Senior Professional Research Assistant in the Shared Decision Making Core. She earned her Bachelor's in Psychology from the University of Massachusetts-Amherst before graduating from Boston College with a Master's Degree in Clinical Social Work. Following completion of her degree, she spent a post-MSW fellowship year at Children's Hospital Boston Psychiatry Department and Harvard School of Public Health. Ms. Noonan began her career as a medical social worker at the Children's Hospital of Colorado before transitioning to the University of Colorado Denver Department of Psychiatry. Here, she spent 16 years working for the Developmental Research Group studying the impact of choline supplementation during pregnancy. Ms. Noonan is an avid runner and delighted dog parent to Walle the Wheatie. 

​Contact: Email | 303.724.8985

Kenny Pierce2 (1)Kenneth Pierce, BA

Professional Research Assistant

​Kenny Pierce joined ACCORDS as a professional research assistant for the Colorado Program for Patient-Centered Decisions in 2018. He received his BA in Public Health for the University of Colorado Denver in 2017. While his focus is public health, he has a variety of computer skills like graphic design, website design, and computer programing in addition to his interest in all aspects of public health and health outcomes research. He is always looking to learn something new and plans on pursuing an MPH from the Colorado School of Public Health in 2019.

Contact: Email | 303.724.6579

Jocelyn Thompson (1)Jocelyn Thompson, MA

Senior Professional Research Assistant

Project Manager

Jocelyn Sterling Thompson, MA, joined ACCORDS in 2013 as a professional research assistant for the Shared Decision Making Core. Jocelyn is currently the project manager of the I-DECIDE: LVAD Study, an implementation and dissemination project around shared decision support tools for patients considering left ventricular assist device (LVAD) therapy. Prior to I-DECIDE: LVAD, Jocelyn project managed the DECIDE-LVAD Trial, a multi-site randomized control trial evaluating the effectiveness of those LVAD decision aids. Jocelyn also worked to help develop the decision aids and has assisted on several heart failure and LVAD related studies at the University of Colorado School of Medicine. Jocelyn has a Master of Arts in Health Communication from Emerson College in collaboration with Tufts University School of Medicine and a Bachelor of Arts in Communication Studies and Journalism from the University of Portland.​

Contact: Email​ | 303.724.7967

Bryan Wallace2 (1)Bryan Wallace

Senior Professional Research Assistant


Project Manager

Bryan joined ACCORDS as a Senior PRA in 2017, with Dr. Dan Matlock’s DECIDE-ICD project. He received his BS in 2009 from Calvin College in Michigan for Biology and Psychology. He comes to us with a variety of research and management experience in agriculture, microbiology, smoking cessation, impulsivity, memory, neurology, and care coordination for kids with complex medical needs. He is currently pursuing an MPH at the University of Colorado Denver.​

Contact: Email​ | 303.724.7429