Meet our team


Kaylor Glassman, Interim Executive Director

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Kaylor grew up attending DYF programs after she was diagnosed with type 1 diabetes at the age of 2. She gave her first insulin shot at Bearskin, learned how to count carbs, and made amazing diabuddies who are still her closest friends today.

She joined the full-time DYF team in 2015 as the Camp Director, and became the Director of Programs after running Bearskin Meadow Camp for three incredible years. Kaylor absolutely loves interacting with the camp families and staff who create the camp magic and are true inspirations. She is honored to step in as the Interim Executive Director and lead the organization.

In her free time, Kaylor enjoys baking gluten-free goodies, reading suspenseful thrillers, and hiking with her dog Riley.

Contact Kaylor at or 925-680-4994 ext. 102


Christi Rossi, Director of Development

Christi joined the DYF team in April 2017 and leads DYF’s fundraising and communications efforts. She brings more than 15 years of nonprofit experience, previously working for Carondelet High School, Girl Scouts of Northern California, and Larkin Street Youth Services. Christi is grateful for the opportunity to connect the DYF community and strengthen DYF as an organization.

She also volunteers as a Canine Training Partner at Dogs4Diabetics and serves on the Development Committee of Cristo Rey De La Salle High School. Christi loves traveling, food and wine, and being a mom to her son, Dane.

Contact Christi at or 925-680-4994 ext. 104



Marissa Clarke-Howard, Development Manager

CsDld1duMarissa joined DYF in April of 2018. After graduating from SFSU with a degree in theater, Marissa spent the first 8 years of her career in the child development field as a teacher and administrator. In 2016, she moved into the nonprofit sector as a member of the development team for the American University of Armenia. Marissa loves working with the DYF community and donors to serve a mission that so closely aligns with her child development values. The highlight of her first season with DYF was participating in Family Camp, where she got to know DYF’s families personally and share with them a part of their T1D journey

While not at work, you are likely to find Marissa performing in local theater, reading about food, or perusing a local farmers market. She loves to cook, hike, and spend time with her family.  Marissa also serves on the Advisory Board of The Quinan Street Project.

Contact Marissa at or 925-680-4994 ext. 107


Marie Murphy, Marketing & Communications Manager

Marie MurphyMarie joined DYF in February 2020 and oversees DYF’s communication efforts. She brings more than 15 years of graphic design and communications experience, with a focus on education and serving non-profit organizations. Having freelanced for many years while raising her children, Marie is grateful to come full circle, integrating her degree in International Relations, her experience in communications and her desire to serve the greater good by supporting the DYF community.

When she isn’t working, you can find her spending time with her family and her pug Pico and her most favorite thing to do is skiing when she can.

Contact Marie at or 925-680-4994 ext. 109


Kaylee Gronau, Camp Director


Kaylee started attending diabetes camp after she was diagnosed with type 1 diabetes at the age of 7. She instantly fell in love with the community and magic. After 10 years as a camper, she continued as counseling staff, leadership and eventually camp directing. Dedicated to making camp part of her everyday life, Kaylee obtained her Bachelor’s Degree in Recreation, Parks & Leisure services. Over the last decade, Kaylee has held leadership positions in 11 different diabetes camps in 8 states.

Kaylee joined the DYF team in May 2020 and is looking forward to meeting the DYF community. Kaylee has known the “magic of camp” her entire diabetes life, and can’t wait to experience the unique magic DYF brings to its community. She is honored to be welcomed into the DYF family!

In her free time, Kaylee enjoys time outdoors – camping, kayaking, campfires, and especially waterfalls! She loves spending time with her pup, Davy Jones, who goes with her on all her adventures. Playing board games or enjoying meals with friends and family is also a favorite.

Contact Kaylee at or 925-680-4994 ext. 101


Katelynn Von Stieff, Director of Finance and Administration

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Katelynn experienced her first dose of camp magic as a camper in 1990 and from then on she’s been hooked! She has moved up the ranks from camper, counselor, camp office assistant, to her current full-time role as DYF’s Director of Finance and Administration. Katelynn spends her work days wearing many hats from HR management, to conducting the annual financial audit and anything in between. She enjoys doing her part to ensure that everyone gets to experience that same camp magic!

In her time away from DYF, Katelynn enjoys cooking, painting, refurbishing old furniture projects, and spending every second she can soaking up the joy and wonder of life with her daughters, Lillian and Vivian.

Contact Katelynn at or 925-680-4994 ext. 108


Stephanie Beinke, Registration Coordinator


Stephanie joined DYF in January 2019. She graduated from California State University, Chico with a degree in Recreation Administration and spent the first 10 years of her career in the hospitality industry. Stephanie is excited to move into nonprofit organization and support her community with the power of recreation and education.

In her free time, Stephanie enjoys traveling, cooking, and spending time with friends and family.

Contact Stephanie at or 925-680-4994 ext. 105



Dr. Justin Altschuler, Medical Director

Justin color headshotDYF’s diabetes education and care is led by our Medical Director, Dr. Justin Altschuler. Dr. Justin’s life has been shaped by Bearskin Meadow Camp since he was diagnosed with type 1 diabetes at the age of 9. He attended Bearskin as a camper, counselor, program coordinator and medical staff for over 20 years. In 2002 he met his wife (Dr. Sarah) at camp and they now attend every summer with their kids Lukas and Aliza.

Dr. Justin is excited about continuing the “Bearskin Magic,” and leading DYF’s year-round programs. Dr. Justin is passionate about the sense of community and belonging DYF creates for those affected by type 1 diabetes.



James Walker, Facilities Manager

untitled-1James earned his North Carolina Unlimited Plumbing License in 1982. He worked with a large plumbing company in Durham, NC until 1986 when he accepted a Maintenance Supervisors position with Duke University Medical Center. In 1996 James left Duke for a Maintenance Director position with Beverly Health Care in Brandon, FL. He started Walker’s Plumbing Service in 1999. In 2006 he sold WPS to start up a renewable energy company Integro Earth Fuels in Asheville, NC. At Integro they built the world’s first wood torrefaction pilot plant. James ran the pilot plant for 14 months, then moved into facilities development where he took the processes developed in the pilot plant and worked with engineers to develop a functional production facility. During the development of the production facility James designed, constructed and managed Integro’s research lab. Once construction started on the Integro production facility he moved into the Project Management and Safety Manager rolls. Due to changing regulations and markets for torrefaction James decided to leave Integro to become a member of the DYF family.

James has been an active student of the Martials Arts of Shito Ryu Karate and Hakka Ryu Jujitsu since 1992. In 2013 he helped develop a self-protection class for kids in Greenville, SC.

Contact James at or 559-335-2403