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APSE National Team

Jenny Stonemeier, Executive Director

Jenny has spent her career working alongside and on behalf of people with disabilities, their families, and communities.  After 12 years as a music therapist, and increasing frustrations with systemic barriers to inclusion that her clients faced, she received a Master Degree in Child and Family Law from Loyola University Chicago—School of Law and found her professional home in the advocacy world.  Jenny has worked as a private advocate for families, a Project Director at the Wisconsin Parent Training and Information Center, and Director of Education Policy at TASH and the SWIFT Center.  In 2016, Jenny’s policy work with the SWIFT Center was honored by the Zero Project—an International NGO monitoring the implementation of the Convention on the Rights of Persons with Disabilities.  Jenny brings her skills as a writer, speaker, facilitator, trainer, and leader to her role at APSE.  Jenny is also the mom of 2 school-aged kids, her 16-year-old son is on the Autism Spectrum.

Jenny’s contact information:

Allison head shotAllison Wohl, Advisor

After fifteen years in corporate America, having worked in the federal practices of two “Big Four” consulting firms, as well as at GE, Allison moved to advocacy after the birth of her youngest son Julian in 2009, who was diagnosed with Down syndrome. In 2012, Allison took on the role of Executive Director of CPSD, a coalition of twenty-two groups that advocates for the modernization of the public system of supports and services for Americans with disabilities. Allison received her MBA from the College of William and Mary and her undergraduate degree from SUNY Binghamton. In addition to Julian she is the mom of two other boys.

Allison’s contact information:


Cassy head shotCassy Beckman, Director of Membership and Chapter Relations

Cassy began her career in the field of customized employment as a community support specialist with Community Involvement Programs in Minneapolis, MN. In this role, Cassy became involved with Griffin-Hammis Associates’ Discovering Personal Genius work and was given the opportunity to share this knowledge at various trainings and conferences. In 2013, Cassy was the recipient of  APSE’s Wendy Wood Award for Emerging Leaders. In 2013, she accepted a position as Director of Customized Employment and Community Supports with Ardmore Enterprises in Bowie, MD where she facilitated a sheltered workshop closure project. Cassy was also responsible for relaunching the Maryland State APSE Chapter, where she served as president until her return to Minneapolis in 2015.

Cassy’s contact information:


Kari Tietjen, CESP™ Director

Kari began her work in supported employment as an Employment Specialist with Candeo in Des Moines, Iowa. Kari served as Candeo’s first Customized Employment Specialist, playing a pivotal role in transitioning the organization to implement customized employment best practices. Kari is passionate about supporting businesses to view inclusion as a best business practice, as well as being an advocate for the integration of qualified job seekers with diverse abilities into the workforce. Kari has served on the Iowa APSE board since 2016. Kari joined the APSE team in September 2017 as the Certification Director. Kari earned a Masters of Education in Higher Education from Iowa State University and a Bachelors of Arts in History from Drake University.

Kari’s contact information:


sarah manleySarah Manley, Project Coordinator

Sarah joined APSE as Project Coordinator in April 2016. Sarah assists with CESP™ program, membership, and conference coordination. She has worked in the administrative field for a number of years helping teams with project coordination and quality assurance. Sarah received a Bachelor’s of Science in applied psychology from Pennsylvania State University.


Sarah’s contact information: