Staff
Jeffrey Cain, PhD
Executive Director
Jeff has 25 years of business, nonprofit, and private charitable foundation executive leadership and consulting experience. Author of two books on philanthropy and fundraising, he speaks and publishes regularly on philanthropy, civil society, nonprofit management, and fundraising. With a Ph.D. in English, he has taught at Washington State University and Olympic College. Jeff served honorably in the United States Marine Corps as a combat motorcycle operator. Jeff worked with Jumping Mouse as an outside consultant in 2025 prior to becoming executive director in January of 2026.
Brigid Mosher, MA, LMHC
Supervisor
Brigid came to Mental Health Counseling from an academic career teaching Literature. She began as an intern at Jumping Mouse Children’s Center in 2010. She stayed at Jumping Mouse to become an extern and therapist and supervisor, inspired by the creative process children can bring to their own development and healing. Currently she is a staff supervisor, meeting with both experienced and intern therapists. She participates in learning communities including Center for Child and Family Development and several Jungian Sandplay Institutes, to help her supervisees hone their work with the Jumping Mouse child-directed therapeutic model.
Lauren Anderson, LMFT, (she/her)
Therapist
Lauren has been working with families and young people since 2006. Her background is in non-profits, teaching and teacher-coaching, and she has been a mental health clinician since 2021. Lauren loves working with kids and families and is reminded of the transformative power of play each week. In her spare time, Lauren enjoys spending time with her young family and exploring the Olympic Peninsula.
John Borges, MA, LMHCA
Therapist
John joined Jumping Mouse in 2024 after spending 12 years working with children in a crisis-stabilization setting. During that time, he learned what it means to really meet and witness another's experience, and he recognized the healing wholeness that is possible in these moments of authentic meeting. John feels very fortunate to have found himself at home here at Jumping Mouse, where the heart of healing is centered with the wholeness of the child.
Karen Johnson
Office/Finance Manager
Karen brings more than 25 years of financial and administrative experience to Jumping Mouse, along with a diverse background in business, education, and community service. An Air Force veteran and small business owner, she previously served as Executive Director of Upper Chetco Charter School and as a court-appointed advocate for children in foster care. Karen is pleased to bring her experience and commitment to supporting children and families to the Jumping Mouse team.
Selena Sena-Hopkins, MA, LMHC
Clinic Director
Selena has been with JM since 2014. She began as an intern therapist when she was a masters student at Seattle University. She quickly found a passion for working as a child guided play therapist and learning from children and families. In 2022, she expanded her commitment by becoming a supervisor for new therapists who came to JM to learn about the healing power of relationship and play. As Clinic Director, Selena continues to serve children and families in our community. She also supports a learning environment for therapists who find their way to JM and who find inspiration in JM’s mission. In addition to her work at Jumping Mouse, Selena loves spending time with her horses and has years of experience providing equine facilitated psychotherapy.
Ellen Emmenegger, MA, M.Ed., LMHCA
Therapist
Ellen, a former educator, has served the children and families of Jefferson County as a psychotherapist at Jumping Mouse for the past 3 years, providing lasting change for children who have suffered from adversity through providing a secure base through attuned relationship and healing through play therapy.
Tamsin Pargiter, LICSW, (she/her)
Therapist
Tamsin has been working at Jumping Mouse since March 2024. Tamsin uses play as a way to help kids and families reconnect with themselves, each other, and everything that makes our lives meaningful. Tamsin has been working with youth and their families in various contexts since 2018.
Mace Mooney, LMHC
Therapist
Mace has been working as a therapist at JM for over 2 years. Mace, who can be spotted by their monochrome outfits, is passionate about providing safe places where kids can discover who they are through self-expression and play. A kid at heart themselves, you will find Mace playing pinball, gardening, or listening to podcasts when not at Jumping Mouse.
Adelaide Anderson
Intern Therapist
Adelaide is an intern at Jumping Mouse and a masters student in Seattle University’s psychology program. She is a former researcher and has been working with children in various positions since she was a teenager. Adelaide believes relationships are the greatest catalyst for change and feels lucky to begin her career at a clinic that recognizes the importance of human connection. In her free time, Adelaide can most often be found with her wonderful friends. However, she also prizes moments of solitude where she can read, write, paint, watch movies, and ponder the nature of the universe.
Mindy Gillcrist
Community Relations Coordinator
Mindy brings a background in community building, communications, and relationship development to Jumping Mouse. Throughout her work, she has been drawn to the ways people and organizations come together around a shared purpose. At Jumping Mouse, she focuses on nurturing relationships with donors and community partners, helping build the connections that make the organization's work with children and families possible.