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Our Leadership Team
At Mightier, we are a diverse team of clinicians, scientists, game designers, and parents.
Co-Founder, Chief Executive Officer
Craig is the co-founder and CEO of Mightier. Prior to Mightier, Craig was the interim-CEO of Selux Diagnostics, a company transforming antibiotic medicine, and the Chief Commercial Officer of 1366 Technologies, a solar company out of MIT.
From 2004 to 2006 Craig worked for the US Department of Defense in Iraq to launch the government securities market and for Endeavor Argentina where he helped entrepreneurs start new businesses. Craig is a graduate of Dartmouth College and Harvard Business School.
Co-Founder, Chief Science Officer
Jason Kahn PhD is the Chief Science Officer and co-founder of Mightier, and a part-time instructor of psychiatry, and Boston Children’s Hospital and Harvard Medical School. Jason is interested in how both science and play can solve pressing challenges in mental health for children, their families, and the system that provides care. Jason holds a PhD from Tufts University.
VP of Finance and Operations
Liz Dignan oversees finance, accounting, and operations at Mightier. Prior to joining Mightier, Liz led finance & operations at a non-profit and a charter school network. Liz’s experience includes marketing and business development at startups, management consulting at Bain & Company and investment banking at Credit Suisse. She holds a B.A. in economics and psychology from the University of California, Berkeley and an M.B.A. from the Kellogg School of Management at Northwestern University.
VP of Engineering
Daniel Gutierrez, VP of Engineering for Mightier, has led teams in startup environments in a wide range of industries. Before joining Mightier, Daniel led developing and implementing legal compliance within the online sports gambling industry at DraftKings. Daniel holds a BS in Electrical Engineering & Computer Science from the Massachusetts Institute of Technology.
Director of Customer Experience
Sarah Lembke leads Mightier’s customer experience and people/culture teams. Before joining Mightier, she worked in biotech, publishing, and educational gaming, leading teams focused on delivering deep and meaningful user experiences. Her experience includes the digital health startup, PatientsLikeMe, Pearson Education, and StoryArc Media. She holds a BA in English from West Virginia University and is a mom, writer, and artist.
Our Culture of Giving Back
We partner with organizations to reach children of low-income families that are underserved in their emotional health needs.
We created Mightier because we believe emotional regulation can improve the lives of all children.
Co-Founder, Chief Science Officer
Our Board of Directors
Managing Director of DigiTx
David Kim is the Managing Director of DigiTx. David has deep experience across the healthcare, technology and investment fields – first as a clinician at a major HMO network, followed by a successful stint as COO at a growth stage company. In addition, David has two decades of venture experience with MPM Capital and Pinnacle Ventures prior to founding DigiTx Partners. David has been a director or a board observer of multiple medical device and biotech companies in addition to working with such academic accelerators and translational medicine programs as the Catalyst Program within the UCSF Clinical & Translational Science Institute.
David completed his internal medicine residency at Harbor-UCLA Medical Center and later served as Director of Urgent Care and Assistant Chief of Internal Medicine at Kaiser South San Francisco. David is a graduate of the Johns Hopkins University School of Medicine (M.D), Stanford Graduate School of Business (M.B.A.), and Pomona College (B.A., Biology).
Managing Diretor at FOXKISER
Daniel is a Managing Director at FOXKISER, a nationally recognized firm specializing in biomedical research and development, law and public policy. Daniel oversees the firm’s investing arm, which provides strategic advice to clients and invests directly in privately and publicly held companies. Prior to joining FOXKISER, Daniel worked at Rockefeller & Co (now Rockefeller Capital Management) where he managed multi-asset class investment portfolios for families and institutions.
While at Rockefeller, Daniel was a member of the firm’s Asset Allocation and Investment Manager Selection committees. Daniel earned his bachelor’s degree from Lafayette College and his M.B.A. with dual concentrations in finance and accounting from Rice University. Daniel is a CFA® charterholder.
Chief Commercial Growth Officer at Aetna
Ms. Kerry Sain currently serves as the Chief Commercial Growth Officer at Aetna. She served as the EVP, Global Sales & Marketing/Chief Revenue Officer at SAP SuccessFactors, the Executive Managing Director at 13D Global Strategy & Research, the Senior Partner and U.S. Sales Leader, Outsourcing at Mercer, Inc. She has over 25 years of experience in sales, benefits outsourcing, healthcare exchanges, retirement services and consulting. She served as Chief Executive Officer and President at bswift, an innovator in cloud-based benefits enrollment technology and subsidiary of Aetna.
She introduced the Tech-Enabled Choice program while Chief Executive Officer to help clients and partners meet their strategic business goals, and to manage the healthcare cost curve through consumerism, decision support, wellness programs and active steerage of their employees. Ms. Sain held senior-level sales and client service positions at Wachovia Bank, AllianceBernstein, Prudential Retirement Services, Strong Funds and Firstar Bank. Ms. Sain received her bachelor’s degree from Lewis & Clark College and her M.B.A. at the American Graduate School of International Management.
CEO with 40 years of experience in the investment business
Bruce Clarke is a two-time CEO with 40 years of experience in the investment business. He is the managing member for PBJ Capital and also Co-Founder and Chairman of Arrowstreet Capital, a Boston-based institutional asset management firm with over $140 billion in assets under management.
Prior to starting Arrowstreet, Bruce was CEO of PanAgora Asset Management. Bruce started his career in Canada and has worked in the UK, Italy and the US. He has an MBA from London Business School and a Bachelor’s degree from the University of British Columbia.
Managing Partner at Asset Management Ventures
Skip Fleshman is a Managing Partner at Asset Management Ventures. AMV is a Palo Alto-based, early-stage venture capital firm that was founded in 1965. They focus on investing in digital health, health technology and novel therapeutics. Skip was an officer in the United States Air Force where he first served as a fighter pilot flying the F-16. He served as COO of BGI which develops software for flight simulators and training solutions for the aviation industry. He received a Bachelor of Science degree in Mechanical Engineering from the University of California at Davis. Skip was a Sloan Fellow and received an M.S. in Management from the Stanford University Graduate School of Business.
Skip is actively investing in startups focused on digital health and health technologies and his current investments include: Freenome, 3T Biosciences, Pluto Health, Reify Health, Evidation Health, WellDoc, Carta Healthcare, Outcomes4me, Aavia, Lark, Arterys, Welkin Health and WellDoc. Skip is an advisor to Stanford’s StartX, Rock Health and Boston Children’s Hospital. He has also served on the boards of the Hiller Aviation Museum, Force North Soccer Club and is currently co-chair of the US Soccer Development Committee. He’s a long-time soccer fan and has attended the past seven World Cups.