Our Team

 Dr. Mary on the set of We Are Austin.Mary Van Haneghan, Ed. D. – Chief Executive Officer

Dr. Mary started her career in the human services field two decades ago as a direct service professional. During her tenure she has worked across the country in various capacities: day habilitation; residential habilitation; post-secondary education; transitional services; case management; supported employment; behavioral health; nursing and early intervention. She received her doctorate in education, with emphasis in higher education and adult learning, from Walden University in 2012; a master of science degree, with emphasis in adult education and literacy, from Buffalo State College in 2007; and in 2006 she received a bachelor of arts degree, with emphasis in business management, from the University of Buffalo. Her academic research has ranged from historical institutional models to the benefits of post-secondary.

Dr. Mary has been recognized for her accomplishments and contributions through her work on behalf of people who experience intellectual disabilities and their families at a national level. In 2015 Dr. Mary was the National Conference of Executives (NCE) of The Arc of the United States “Rising Star Award” recipient and in 2017 received the award for “Program Innovation”.  In 2019 Dr. Mary was appointed to the National Conference of Executives (NCE) of The Arc of the United States Steering Committee.

Dr. Mary is involved in the Austin community through the Aging and Disability Resource Center of the Capital Area Steering  Committee, the Intellectual & Developmental Disabilities Alliance of Central Texas, Williamson County Institute for Excellence in Nonprofits, Candlelight Ranch, Divine Canines and One Voice Central Texas. In addition, Dr. Mary was a finalist for Austin Under 40 in Nonprofit Service in 2017 and in 2018.


Angela Calcaterra, LCSW- Chief Operations Officer

Angela is a Licensed Clinical Social worker and she began her career in the human services field more than twenty years ago as a case manager. During her tenure she has worked various capacities including direct practice; administrative roles and in private practice in the areas of behavioral health; forensics; and dual diagnosis.  She has experience working with adults, children and families in hospitals, community mental health centers, corrections facilities, and private practice. She earned her Master degree in Social Work from Washington University, with emphasis mental health and family therapy.

Prior to entering the field of human services, Angela worked for many years in a variety of roles in medical, legal and manufacturing businesses.  She has brought her experience in the business world into her various roles in the field with an emphasis on quality assurance, improving processes and data-driven programming.




Lacie Stiewing – Grants and Development Manager

Bio coming soon!









Ann Marie Sanders – Donor Relations Manager

Ann Marie comes to Austin from upstate New York, bringing more than 30 years of fundraising, marketing, and administrative experience primarily with non-profit professional theatres. In addition, she was Associate Producer of the 25th Anniversary National Tour of Ain’t Misbehavin’ which traveled to 80 cities in 35 states. She earned a Bachelors degree in Music Business from State University of New York, College at Fredonia with a double concentration in Arts Administration and Communications/Public Relations. Much of her passion for community service-based non-profits stems from her two-year experience working and traveling worldwide with the international performing group Up With People. She looks forward to getting to know and love everything about Austin!