Holly Reef


Holly Reef has been selling real estate in Colorado for 25 years. She is currently an agent for RE/MAX Professionals and maintains a strong reputation for customer satisfaction. Holly has sold real estate from Estes Park to Canyon City, but her focus is the Denver Metro Area. She is a full-service agent working with both buyers and sellers.

Holly has a strong commitment to the Denver community and is involved with several nonprofit organizations, including Project Angel Heart, the Denver Rescue Mission, Project TBI Freedom for Warriors, Sack Lunch for the Homeless and Children’s Miracle Network. She is currently on the Board of Directors for Rocky Mountain Human Services and is Auction Chair for Shining Stars Foundation. “It is a gift to be able to give back to my community. Denver is a thriving city and the changes I have seen amaze me. It is continually ranked as one of the top cities to live. I agree! I am passionate about Colorado.”

Holly earned her Bachelor of Science in Business Administration and Marketing and Master of Business Administration from the University of Colorado, Denver.

Christopher Dunphy

Vice President

Chris is a local entrepreneur with over 25 years in the Restaurant and Customer Service industry. As a New York native, and raised by a single working mother, the importance of helping others was instilled in Chris at a very young age. Chris is the owner of a Farmers Insurance Agency, which allows him the time and resources to volunteer and help fundraise for multiple Colorado charities. While they all focus on different segments of our community, the Hungry; Juvenile Cancer; Education; Gay homeless youth; they all have one thing in Common. His mantra is “be grateful for what you have and do your best to help others!”

An avid skier and football player Chris is a proud graduate of the University of South Florida, and the University of Florida, and a fully licensed Insurance and Financial Services Agent.

Theresa Echols


Theresa is the secret ingredient that keeps Colorado HorsePower running. As our treasurer and controller, Theresa makes sure that our funds are directed to provide the most value to our students and their families. Theresa is a Colorado native and has resided in Castle Rock with her husband Cliff since 1968. She retired from the Douglas County School District in 2010 after 21 years in and finance department.

Theresa enjoys Colorado living and spending time with her animals which include horses, cattle, cats, and dogs, all of which keep her busy. A wonderful day is a trail ride with friends seeing elk, deer, antelope, and coyotes in pastures close to home. Her belief is that a horse has a calming, comforting that enriches the rider, caregiver, and bystanders. Theresa believes volunteering brings a sense of happiness through serving others.

Mark Renn

​Board Member and Chief Wrangler

As our chief wrangler, Mark oversees the care of our wonderful horses and the horsemanship curriculum. Mark also works closely with our Horsemanship for Heroes members where he helps them establish an important bond with our horses.

Mark is the co-owner of Meadowbrook Farm, the ranch where Colorado HorsePower has been operating since 2009. On the ranch, Mark and his partner, Leigh Anderson, raise Dexter cattle, Peruvian horses, and llama’s. Mark grew up on a dairy farm in northern Wisconsin and has worked with horses and cattle most of his life. As they say, “you can take the boy out of the country, but you can’t take the country out of the boy”.

Mark is the former Chief Executive Officer of The CS Team, a career marketing firm located in Denver, Colorado. Mark has also been actively involved in leadership roles in several community non-profit organizations including the Chair for the Denver / Boulder BBB Foundation and various roles in the other Denver organizations. Mark has a Bachelor of Arts from the University of Wisconsin – Eau Claire and is a Registered Career Consultant (RCC) and a Career Management Professional (CMP).

Michael Ditchfield

Board Member

Michael is a former professional athlete and best-selling author. He worked as a Goodwill Ambassador to Africa for Project CURE and was a board member and President of the Colorado Coalition for Genocide Awareness. He has been instrumental in the development of Project Mercy in Ethiopia, the Born to be Free Foundation and Mandela Academy in Ghana and the Sixteenth of May Foundation in Sudan. Michael is a current board member of the Shining Stars Foundation here in Colorado and is a partner in four restaurants in Denver, Aspen and Las Vegas.

Robin Brown

Board Member

Robin has dedicated her life to public service and volunteerism. After graduation from the University of Colorado, Robin was hired by the Institute for Behavioral Genetics at the University of Colorado. However, her desire to work with the community kept calling. From there, Robin spent 22 years with the Denver Department of Human Services as a Child Protection Senior/Lead Social Caseworker and Social Caseworker Supervisor. Robin was later appointed by the Division Director to manage a research project to improve the outcomes of children living in foster care.

Robin is also a current member of the Shining Stars Foundation. She has a long-standing track record of public and community service and passion for grass roots involvement and community interaction. As stated by Robin “the greatest joy I have experienced is the one-on-one time with the children and families. There is no gift comparable to the gift of involvement”. She is an avid skier and considers the mountains her “happy place”. Robin enjoys, hiking, camping, the great outdoors and has a huge love of all animals. Robin earned a degree in psychology from the University of Colorado Boulder.

Kerry McGinley

Board Member

Kerry is a rider and a writer. A lifelong horse owner whose career has spanned journalism, nonprofit public relations, and corporate communications; McGinley is proud to be part of HorsePower’s board of directors. Her family’s four Peruvian horses board at Meadowbrook Farms, and her daughter Riley volunteers as a headwalker/sidewalker. She’s often on the property with her kids enjoying her horses and her daughter’s passion for contributing to the program.

Barbara Kreisman, Ph.D.

Board Member

Barbara brings 30+ years’ experience in leadership, organizational development, and strategic planning. Now Professor Emerita, she has been a member of the senior leadership team at the Daniels College of Business, University of Denver. Her previous positions include leadership roles for Dell Technologies, Emerson (Fisher Controls), and Motorola.

Barbara is on the board and former Chair of Wish of a Lifetime/AARP, an organization focused on representing senior citizens in our society. She serves on the Dean’s Advisory Board for the College of Business and Economics at the University of Wisconsin-Whitewater, and is a member of the Board of Directors for the College of Social Work at the University of Denver where she is actively engaged with the Institute for Human Animal Connection (IHAC). She is also a Board Member of the Urban Leadership Foundation of Colorado (ULFC) and a founding Advisory Board Member for the Hutton Family Fund in support of the U.S. National Parks. She was recently named as a Trustee (Foundation Board) of the University of Wisconsin-Whitewater.

Her academic achievements consist of a Ph.D. in Leadership & Organizational Behavior from the University of Texas at Austin; a master’s degree from Arizona State University and a second masters University of Texas at Austin. Her undergraduate work was in Journalism at the University of Wisconsin-Whitewater. She is a member of the International Women’s Leadership Forum, Colorado Chapter.

Victoria Seligman

Board Member

Victoria is a Rheumatology and Internal Medicine Board-Certified physician for UCHealth. As a physician, she has worked for the majority of her career with underserved patients such as veterans. She has also worked with vulnerable populations and in the developing world where access to care is extremely challenging. Her enthusiasm for riding translates in many positive ways in her life journey. She first learned about therapeutic riding during a sabbatical year as a physician 2012-13 while a student in public health in Boston in 2012 where she focused on early childhood trauma and global health. She is a parent of a horsepower student.

Lynette A. Roff

Board Member

Lynette has been with Colorado HorsePower since 2009 and served as president of our organization from 2010 until 2021. She was previously Director of the VA Eastern Colorado Health Care System from 2005 to 2015 where she was responsible for providing comprehensive health care to more than 85,000 veterans in 15 different locations throughout the Colorado Front Range. Previously, Lynette held various leadership positions with the Department of Veterans Affairs, serving in New York, Pennsylvania, Michigan, and Florida.

Lynette received a Bachelor of Science degree from Syracuse University and a Master of Business Administration from the University of South Florida. Lynette spends her time volunteering for Colorado HorsePower, traveling, playing golf, an occasional trail ride and enjoying retirement.

Leigh Anderson, M.D.

Horsepower Advisor

Leigh is a physiatrist with over 37 years of medical practice. Leigh is currently the Chief Medical Officer for the Veterans Administration. Here oversees a five-state region within the VA system. In addition Leigh started his career as a Physical Therapist.

Along with this he and his spouse run the ranch where HorsePower is housed. There he loves to Garden as well as work with his Dexter cattle and Peruvian Horses. His passion for Health care and animals have also fit well with the role HorsePower has played on the ranch.