Our Leadership Team

Founder, CEO

Jeremy Fischbach is the Founder and CEO of Happy, where he leads partnership development and strategic growth. Under his leadership, Happy has secured contracts with the largest Medicaid plan in the country, the largest hospital system, the U.S. Air Force, the Army, and multiple organizations supporting Veterans. Jeremy earned his A.B. in Psychology from Princeton University and later received his J.D. from NYU School of Law. In his spare time, Jeremy plays tennis and the piano and is writing a textbook for young adults designed to teach—and inspire—people to better support one another.

Co-Founder,
Chief People Officer

Kristan Toth is the Chief People Officer and Chief Operations Officer at Happy, where she helps lead one of the most human, accessible mental health support systems in the country. Kristan has overseen successful implementations with the U.S. Air Force, the Army, the largest Medicaid plan in the country, and the largest hospital system in the U.S. She holds a B.A. in Psychology from Boston University and has spent years working across women’s health, child welfare, and community education. She also studied Educational Psychology at NYU, with a focus on parenthood, and completed drug and alcohol counseling training at John Jay College in New York City.

Chief Data Officer

Misty Knight-Finley is a data science and analytics expert with over a decade of experience in experimental design, statistical modeling, and data architecture. She specializes in uncovering hidden patterns in complex data, crafting high-quality data products, and translating insights into action for mission-driven organizations. At Happy, Misty has helped pioneer new models for synthesizing behavioral health data—developing the most powerful real-time workforce and population intelligence systems in the field. Her work with major insurers, large hospital systems, and the Department of Defense has enabled frictionless, proactive support at scale, while also enhancing strategic decision-making across organizations. Prior to joining Happy, Misty worked as an independent data consultant and served as an Assistant Professor at Rowan University, where she focused on experimental design, statistics, and data analysis.

Director of Veteran Partnerships

Gregory Wall is the Director of Veteran Partnerships at Happy, where he helps expand access to accessible, peer-based mental health support for veterans, service members, and the organizations that serve them. An Army veteran and Princeton graduate, Greg brings firsthand experience across military intelligence, operations, logistics, and national security policy.
Before joining Happy, Greg served as an intelligence officer with the U.S. Army's 2nd Cavalry Regiment in Germany, where he led intelligence operations, managed security programs, briefed senior leaders, and supported major NATO exercises across Europe. He directed intelligence teams, redesigned operating procedures, expanded unmanned aerial systems training capacity, and helped coordinate multinational operations in demanding field environments.
At Happy, Greg focuses on building relationships with veteran service organizations, military leaders, state agencies, and mission-aligned partners. His work advances Happy's mission to bring frictionless mental health support to high-trauma communities — before crisis becomes the only point of intervention.

Service Delivery Manager

With over a decade in Emergency Management, Krista has led crisis response efforts as an Incident Commander, EOC Manager, and Hazmat Responder. She has provided emotional support on the front lines of Search and Rescue and as part of a Critical Incident Stress Management team, offering calm in moments of extreme stress. Krista’s empathy runs deep—her son served with MARSOC in the Marine Corps for over seven years. As a mother, responder, and caregiver, she understands resilience and the power of human connection. Now living off-grid with her dogs and cats, Krista continues her mission at Happy: showing up with compassion, experience, and no judgment—just support when it is needed most.