Jonathon AngellBoard Member
Elizabeth MullerExecutive Chair and Co-Founder
Leslie TepperBoard Member
Rod BaltzerChief Executive Officer
Christa SteeleBoard Member
Renée HornbakerBoard Member
Jonathon Angell
Board Member
Elizabeth Muller
Executive Chair and Co-Founder
Executive Chair and former CEO of Deep Isolation. Co-Founder and former Executive Director of Berkeley Earth. Former Director at Gov3 and Policy Advisor at the OECD. Deep Isolation patents co-author. Muller is an environmentalist with expertise on global warming, stakeholder engagement, strategy, and communications.
Leslie Tepper
Board Member
A General Partner and Co-Founder of The Artemis Fund, a venture capital fund that invests in early-stage companies founded and led by women, Tepper has significant experience in helping private companies obtain funding and scale. She has served on the board and/or advisory board of several early and growth stage companies and is a frequent speaker for the National Association of Corporate Directors (NACD), where she also serves on the Board, on private and public company governance. Her prior legal experience includes serving as General Counsel of Fisher HealthCare and in-house counsel for Waste Management.
Rod Baltzer
Chief Executive Officer
Former President and CEO of Waste Control Specialists LLC, a leading provider of services for low-level radioactive waste, mixed low-level radioactive waste, and hazardous waste. At WCS he was responsible for all aspects of the business including the NRC license application for the consolidated interim storage of used nuclear fuel. Baltzer maintained relationships with local community leaders and managed local, state and federal engagement with stakeholders. Baltzer is an expert in the low-level radioactive waste industry, generators, and national storage and disposal capabilities. Baltzer successfully facilitated the 2018 sale of WCS to J.F. Lehman & Company.
Christa Steele
Board Member
Christa Steele is a strategic and operationally focused leader with extensive experience as a CEO, executive, and board member for both public and private companies. As a governance and financial expert, she brings a CERT in Cyber Security Oversight and is a NACD Board Leadership Fellow. Her proven ability to drive significant business improvements through long-term vision and pragmatic execution is complemented by a broad perspective gained from diverse industry experience, from late-stage startups to growth-stage ventures and established corporations. Christa’s strong track record of operational leadership includes two CEO tenures. As Interim CEO and Board Director for BALCO HOLDINGS, INC. (2020-2022), she led the successful division and dissolution of the holding company and its assets. Previously, she served as President, CEO, and Board Director of MECHANICS BANK (2013-2015), where she provided crucial oversight for all financial, regulatory, operational, legal, and risk matters. She has been honored as a 2023 NACD Director 100 and is a two-time recipient of the “Most Influential Woman in Bay Area Business” award.
Renée Hornbaker
Board Member
Ms. Hornbaker brings more than four decades of corporate leadership experience to Deep Isolation. In her roles as C-suite leader and CFO for both public and private companies, Renee has proven to be a strategic business leader with extensive experience delivering growth, business transformation, and profit improvement. Ms. Hornbaker is a CPA, Audit Committee Financial Expert, and Director Certified by the National Association of Corporate Directors (NACD). During her career, Ms. Hornbaker served as CFO at Stream Energy, Shared Technologies, and Flowserve Corporation, where she also served as Vice President of Business Development and Information Technologies. Ms. Hornbaker began her career with the audit practice of Deloitte.