Home / About /Board & Staff

Board, Staff & Committees

Toddler playing with small fountains

The American Academy of Pediatrics – Colorado Chapter is governed by volunteer officers, a board of directors, advisors and is supported by a part-time executive director and lobbying team.

Executive Committee

Edward C. (Ted) Maynard, MD, FAAP – Chapter President
Dr. Maynard recently retired after 25 years in primary care at Iron Horse Pediatrics in Colorado Springs. He earned his MD degree at Harvard Medical School and did his pediatric residency at Boston Children’s Hospital. He has served on the AAP Colorado board for the past 12 years, and currently serves as the Chapter’s President. Ted has been a champion on issues including tobacco control, healthcare finance, and congenital CMV infection. Loving retired life, you can find him hiking, skiing, rock climbing, mountain biking, or doing anything else that involves the outdoors.

Cassana “Cassie” Littler, MD, FAAP – Chapter Vice President
Dr. Littler is a pediatrician with Denver Health. Prior to that she practiced for 11 years in Grand Junction. Cassie actively participates in the Chapter’s Legislation and Policy Committee. She received her undergraduate and medical degrees from the University of Colorado and completed her pediatric residency in Iowa. Cassie served as the AAP CATCH Grant facilitator for the Colorado Chapter from 2011 to 2019. Cassie is also a member of the Council on Community Pediatrics, the Section on Obesity and the Section on Early Career Physicians.

Stacy Parra, MD, FAAP – Secretary 
Dr. Parra is a pediatrician at Pediatrics 5280 in Centennial. She has a keen interest in preventative medicine, including immunization and smoking cessation. Stacy has been involved in AAP-CO through the Legislation and Policy Committee and the Pediatric Advocacy Action Team. On behalf of the Chapter, she has testified at the State Capitol, been a media spokesperson, and serves on the Colorado Medical Society Committee on Legislation. Stacy loves to hike, cook, read, and spend time with her husband and dog.

Maya Haasz, MD, FAAP – Treasurer 
Dr. Haasz is a pediatric emergency room physician at Children’s Hospital Colorado in Aurora. Her academic research interest is pediatric firearm safety. Since moving to Colorado two years ago, Maya has been actively involved with the Chapter’s Legislation and Policy Committee and spoke at an AAP-CO organized gun violence prevention rally. When she is not working in the ER, Maya enjoys hiking and camping with her family.

Meghan Treitz, MD, FAAP – Immediate Past President 
Dr. Treitz is a general pediatrician in the Child Health Clinic at Children’s Hospital Colorado and Assistant Professor of Pediatrics at the University of Colorado School of Medicine.  She has served as the President, Vice President, Secretary/Treasurer and a board member at large for AAP Colorado. Meghan has also been active nationally as the Colorado representative to the AAP Section on Young Physicians.  She is passionate about medical education and early childhood literacy.


Deborah Archer, MD, FAAP
Dr. Archer is a former NHSC scholar who has dedicated her career to working with minority and under-served populations. She founded the Community Health Advocacy Program at Brown University Alpert School Of Medicine in Providence RI. Dr. Archer completed her internship at Howard University Hospital and residency at Inova Fairfax in Virginia. Dr. Archer has been active in local leadership with CCHN Health Care Advocate Program and RIHEL’s Advanced Leadership Training Program. She lives in Fort Collins and works at Sunrise Loveland Community Health Center. Her passions are education and pediatric advocacy, and she serves on the AAP-CO Legislation and Policy Committee. She has three children who are avid ice hockey and lacrosse players and the joys of her life.

Sarah Humphreys, MD, FAAP
Dr. Humphreys is a partner at Sapphire Pediatrics in Denver. She earned her MD degree at the University of Oklahoma and completed her pediatric residency at the University of Maryland. Sarah was an early advocate for the integration of mental health into pediatric practice, and is working to help increase access to mental health services across Colorado. As a member of AAP-CO, she has also been an advocate for childhood immunizations. Sarah enjoys traveling and spending time in the Colorado mountains with her family, as well as reading and kickboxing.

Amanda Jichlinski, MD, FAAP

Dr. Jichlinski is a trilingual early career pediatrician who moved to Colorado in 2018. She is the Medical Director at Kids First Health Care, a non-profit that consists of School Based Health Centers and community clinics in underserved districts. She is interested in the medical and social needs of underserved and minority populations, as well as mentoring young physicians. Dr. Jichlinski has been active on the AAP-CO Legislation and Policy Committee; on behalf of the Chapter, she has authored several Op-Eds and letters of support focused on important pieces of legislation. She most enjoys spending time outdoors with her family.

David M. Keller, MD, FAAP
Dr. Keller is Professor and Vice Chair for Clinical Strategy and Transformation in the Department of Pediatrics at the University of Colorado School of Medicine and Children’s Hospital Colorado (CHCO). He practices general pediatrics at the Child Health Clinic in Aurora. He serves on multiple Colorado and Federal committees on health care financing and access. Dr. Keller is Chair of the AAP-CO Legislation and Policy Committee. Prior to moving to Colorado, Dr. Keller spent 22 years on the faculty of the University of Massachusetts School of Medicine, where he practiced primary care pediatrics, initiated novel community-based programs, and served as Associate Medical Director for Medicaid in Massachusetts.

Alfie Meister, MD, FAAP
Dr. Meister is a pediatrician at Every Child Pediatrics in Aurora. She has devoted her career to using medicine as a tool for social justice. Her interests include literacy, breastfeeding, inclusiveness and equity. Alfie has been engaged with the Chapter’s Legislation and Policy Committee and the Pediatric Advocacy Action Team. In addition, Alfie has created a lunch time advocacy series at her clinic. As a single mother, Alfie carries on a family tradition of National Park road trips with her two daughters.

Kelly Miller, MD, FAAP
Dr. Miller has been practicing in Durango for 18 years. Her interests include caring for children with complex medical needs, tele-health, and working in the NICU. In addition, Kelly enjoys working with children adopted both domestically and internationally. She participates with AAP-CO congenital CMV workgroup, and speaks in support of child health policies in her community. Dr. Miller loves being a mom to four children, and draws much experience from her daughter with medical and learning needs and her son adopted from the Democratic Republic of Congo. She loves to play in the outdoors, so takes full advantage of living in the Colorado mountains.

Janine Young, MD, FAAP
Dr. Young serves as the Medical Director of the Denver Health Refugee Clinic and Co-Medical Director of their Human Rights Clinic. She is also an Associate Professor at the UC School of Medicine. An undergraduate at Columbia University, she received her MD at Harvard Medical School, and did her pediatric residency at the Boston Combined Program and UCSF Benioff Children’s Hospital Oakland. She is a lead author of AAP’s Immigrant and Refugee Toolkit and has consulted for the Office of Refugee Resettlement and the International Organization of Migration on medical screening of unaccompanied children and refugee children. She is the lead author of the CDC’s Refugee Pediatric Screening Guidelines. She also serves as the Medical Advisor for Colorado’s Refugee Services Program and on the Executive Committee of AAP’s Council of Immigrant Child and Family Health.


Martha Middlemist, MD, FAAP
Dr. Middlemist is a community pediatrician at Pediatrics 5280, where she is a partner.  She graduated from the University of Denver, attended the University of Colorado School of Medicine, and completed her pediatric training at Children’s Hospital Colorado.  Dr. Middlemist has served the AAP Colorado as Treasurer, Vice President, and President.  Dr. Middlemist also now serves the American Academy of Pediatrics as the Chair for District VIII.

Kathryn “Kathi” Wells, MD, FAAP
Dr. Kathryn Wells is a Board Certified Child Abuse Pediatrician and an Associate Professor of Pediatrics at the CU School of Medicine. She is currently the Executive Director of The Kempe Center and serves as an Outreach Liaison with ECHO Colorado. Dr. Wells is originally from Montana where she went to college at Carroll College in Helena, MT. She then earned her medical degree from Creighton University in Omaha, NE where she also completed a pediatric residency at Creighton/University of NE combined program. She practiced general pediatrics for 5 years in Caldwell, ID before coming to Colorado in 2001.

Staff & Lobby Team

Executive Director
Ellen Brilliant – Ellen has worked for over 20 years in Colorado’s nonprofit and advocacy communities. In 2006, she founded her own consulting firm, Apex Strategies. Ellen joined AAP Colorado as Executive Director in June 2016.

Special Projects Coordinator
Leisha Andersen, MD, MPH, FAAP – Leisha Andersen is a board-certified pediatrician who has redirected her professional efforts toward large-scale, preventative issues impacting pediatric health. She serves as Colorado’s Early Childhood Champion and provides content and educational support for several non-profit organizations. Leisha joined AAP Colorado in 2019.

Lobby Team
Aponte & Busam Public Affairs Consultants

Ruth Aponté, Founding Partner & Political Consultant – Ruth Aponté has been lobbying in Colorado for over 25 years, and is a founding partner of Aponté & Busam. She holds a Master’s Degree in Political Science from the University of Colorado at Denver. Ms. Aponté has gained the trust and respect of legislators from both sides of the aisle, and consistently secures bipartisan support for client legislation.

Dave DeNovellis, Senior Political Consultant – Before joining Aponté & Busam, Dave served for five years working on state and federal policy issues for the Colorado Department of Health Care Policy and Financing. He has also worked for the Colorado General Assembly’s Legislative Council and staffed the health care, business and legislative leadership committees. He holds degrees in Journalism and Mass Communication from CU Boulder and a Master’s in Environmental Law and Policy from the University of Denver.

  • Legislation and Policy Committee
  • Education
  • Membership and Recruitment
  • Behavioral Health
  • Breastfeeding
  • Climate
  • CMV
  • Family Planning
  • Food Security
  • Gun Violence Prevention
  • Healthcare Acess
  • Immigrant Health
  • Immunization
  • Newborn Screening
  • Tobacco Control

For more information or to get involved, email Ellen Brilliant


Membership opportunities are available to pediatricians, pediatric medical subspecialists, pediatric surgical specialists, and other pediatric providers. American Academy of Pediatrics – Colorado Chapter (AAP-CO) provides an array of benefits and services to keep you up-to-date and informed and is the only organization that supports you through all four phases of maintenance of certification. As a member, you can be a voice for children and pediatrics.

Join Us