
Meet the Team
Biogas Industry Experts
Our core values drive everything
we do.
Our commitment to safety, quality, and the pursuit of excellence is unwavering.
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Wayne Gustin
Director of RNG Operations
As Director of RNG Operations, Wayne Gustin supports ESI's RNG o&m customers nationwide. With over 20 years of experience managing, operating, and constructing RNG and LFGTE projects across the U.S., Wayne's experience spans every aspect of RNG facility operations—and optimization.
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Elysia Zarate
Environmental, Health & Safety Manager
Elysia has been instrumental in leading the ESI to outstanding annual safety and incident records. Since joining ESI, Elysia has managed and overseen the safety programs and procedures for 15+ gas-to-energy facilities while also overseeing all safety programs within the ESI home office and maintenance shops.
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