Office/Staff

Sharon Mullins
Executive Director

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Sharon brings to AHA, Inc. years of experience as a non-profit leader, hospital department head, public health consultant and animal well being advocate.  She enjoys building cross-sector collaboration to achieve organizational and community objectives.  Sharon is a long-term supporter of animal well being organizations and causes, including equine and companion animal sanctuaries.  Her 2 senior horses PJ and China will gladly share testimonials with you! “I am excited to join the American Hippotherapy Association and work with the board and staff to expand our reach and grow education opportunities and services for our members”.   

Haley Van Vleck
Program Manager

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Haley comes to the AHA, Inc. after serving as Membership and Club Liaison at the Arabian Horse Association. She grew up taking riding lessons in Lawrence, KS.  She came to Colorado State University to pursue her degree in Equine Science. Haley is excited to bring together her love of horses and their ability to heal in her role at the American Hippotherapy Association.

Amanda Kaseman-Weinstein
Administrative Coordinator 

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Amanda is a lifelong equestrian and brings that passion along with many years of business and management experience to her new role as Administrative Coordinator. Amanda is known for her high level of creativity, commitment and tenacity in real estate, small business development and equine endeavors... To quote Amanda, "I am excited to pair my love of horses with helping the American Hippotherapy Association in it's growth and success".