Our Leadership

At Daymark Living, every resident is in excellent hands. It’s not only the knowledgeable staff, but the experienced business, real estate, science and education leaders who have come together with a singular vision: to help adults with intellectual delays thrive.

John Poston | President of Daymark Living

John Poston created Daymark Living using his years of experience in real estate, education (Rise School) and raising three children, one of which has Down syndrome. John brings together his professional and non-profit work experience, along with his understanding of his son and his peer group, to create a community that provides adults with intellectual and developmental delays the opportunity to live among their peers, learn life and vocational skills, integrate into a community and pursue a life of independence and happiness.

Mark Richards | Executive Director

Mark Richards has a Master’s Degree in Clinical Psychology and is a seasoned healthcare executive with over 25 years focused on serving adults and children with special needs and behavioral disorders. Mark has held executive positions in community, residential and acute behavioral programs including CEO of Meridell Achievement Center north of Austin and Marillac Center in Overland Park, KS. While in Kansas, he served on the executive councils for The Children’s Alliance and the Mental Health Coalition, and served on the Kansas Governor’s Mental Health Services Planning Council, where he advocated to improve the independence and quality of life for behavioral health of consumers.

Molly Sullivan Taylor, Ph. D. | Daymark Living Director of Programs and Resident Life

Dr. Molly Sullivan Taylor attended Baylor University and earned an undergraduate degree in communication sciences and disorders in 1998. She did a full-time internship at both Cook Children’s Hospital and Our Children’s House at Baylor in child life. She worked at The Rise School of Dallas as a lead teacher from 2000–2007 and as Educational Coordinator from 2006–2009. Dr. Taylor received both master’s and doctoral degrees in child development from Texas Woman’s University with a research focus on the effects of early intervention on the development of children with Down syndrome. She was recently a contributing author for a book on public school reform titled Yes We Can! Improving Urban Schools Through Innovative Educational Reform and is a special-interest author for Texarkana Parenting Magazine. Dr. Taylor is an adjunct professor at Texas Woman’s University, where she teaches graduate-level classes to others who share her passion.

Rosie Anderson | Sales and Marketing Specialist

Rosie attended Oklahoma State University where she graduated with a bachelor’s degree in Strategic Communication with an emphasis in Advertising in 2013. Rosie developed a strong background in marketing strategy, branding, event planning, management and graphic design during her time at Dent Zone Companies, Inc. Rosie has a skill for storytelling and strategy and a passion to serve the IDD community.

Kari Zerbe | Project Consultant

Kari Zerbe has served as the Director and Educational Coordinator of The Rise School of Dallas since 2011. Prior to that, she served as a lead teacher at The Rise School of Dallas, and both as a teacher and Assistant Director of at Bright Horizons Children’s Center. She earned her master’s degree in early childhood special education from the University of Texas. She holds a bachelor’s degree in interdisciplinary studies, with minors in English, education and human resources from Virginia Tech. She also attended Center for European Studies in Switzerland. She has been a Down Syndrome Guild of Dallas Board member since 2010, also serving on the Education Committee and an advisory committee member for Beyond ABC with Children’s Health (formerly Children’s Medical Center), studying research trends and making recommendations in the 2013 publication.

Our Partners

Building a community like Daymark Living takes more than just an idea or a plan—it takes a group of trusted builders, developers, and management experts to bring the inspiration to life. Together with these partners, Daymark Living is delivering the highest level of support, independence and growth.

Greystone Management Services

Greystone Management Services is the nation’s leading developer and manager of continuing care senior living communities. Since 1982, they have managed the complex business of senior living, including independent and assisted living, memory support, and nursing and Alzheimer’s care. With an integration of sophisticated services delivered by an experienced team of professionals, Greystone provides quality care to residents, manages risks for owners and drives performance for investors. They thrive in a performance-based culture that drives quality, maximizing operating results while stressing management reporting, compliance and transparency. Greystone has worked on numerous projects over the past 30 years, from owners planning a new community or redeveloping an existing operation, to those transitioning management, as well as managing the due diligence for acquisitions.

Montgomery Street Partners

MSP focuses on programmatic investments in real estate operating companies, as well as Limited Partner investments in individual real estate assets. MSP seeks opportunities where it can repeatedly invest with operating partners. Since inception of the Montgomery Street initiative in 2013, Montgomery Street funds have acquired $1.7 billion of real estate, representing $780 million of equity value. MSP deploys capital on behalf of institutional third party sources, as well as the firm’s principals.

Aspen Heights

Aspen Heights is a national multifamily and student housing developer and manager headquartered in Austin, Texas. Since its founding in 2006, Aspen Heights has been dedicated to the development of a unique platform that combines quality construction, pioneering sales, marketing and best-in-class customer service. Aspen Heights exists to cultivate human potential and add value to the world through creating and managing spaces where people live, connect and learn.


Founded in 1953, Marbridge is a non-profit residential community that offers transitional and lifetime care to adults with a wide range of cognitive abilities and—through compassion and faith—provides them with opportunities to learn, experience and achieve a whole new life. On the Marbridge campus, just 12 miles south of the state capitol in Austin, Texas, over 240 adults live and work, developing skills in an applied training and education program. The Marbridge care philosophy focuses on abilities, not delays, and it encourages residents to grow by providing opportunities to learn, experience and achieve the highest independence possible.