Executive Team

David Lischner, MD

Co-Founder and CEO

As the CMO and co-founder of Valant, Dr. David Lischner brings over 10 years of company building, product innovation, and executive management experience to his role at Valant. As co-founder, Medical Director and CEO of the Evidence Based Treatment Centers of Seattle, a specialty behavioral healthcare center with a national reputation for high quality care, he was able to pursue his passion for making evidence-based practices available to a community. It was while practicing in this group setting that he realized the need for an integrated, intuitive solution that would improve the value of behavioral healthcare and allow organizations to be more effective and profitable. It also gave him the means to pursue his dream, through enabling technology, to help make high quality behavioral healthcare available to everyone.

David received his M.D. from the University of Washington, and completed his medical internship at the University of Pennsylvania before returning to the University of Washington for his specialty training in psychiatry including residency at Harborview Medical Center.


Mary Fischer

Vice President of Finance

Mary is a senior financial leader with over 20 years of progressive experience building and leading various accounting, operations and financial functions for closely-held and private equity sponsored companies. With a reputation for demonstrating focus, sound judgment and excellent decision making skills, Mary brings a proven ability to view financial issues from an operational perspective and enable profitable decisions across the business. Previous to Valant, Mary has served organizations such as Sahale Snacks, Altrec and 7th Level.

Mary graduated from Texas Christian University with a BBA in Accounting.