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Meet our senior leadership team

Sushim Shah, MBA, is a seasoned finance professional with over 35 years of experience in Corporate and Project Finance across sectors like Power, Energy, Chemicals, and Real Estate. With a foundation in Chemical Engineering from IIT and advanced degrees from the University of Louisville and Indiana University, he transitioned from engineering to finance, managing over $2.5 billion in transactions at Mizuho Bank and advancing renewable energy initiatives at Wells Fargo. Currently, as CEO and CFO of GT Titan, he leads finance and strategy for Geothermal Holdings, leveraging his expertise in power projects, energy infrastructure, and corporate finance.

Sushim Shah
CEo & CFo, GT Titan

Gonzalo Machiavello, MBA, is a seasoned executive with over 20 years of experience in renewable and conventional energy development, including geothermal, hydro, solar, and wind projects. His leadership spans global markets, having managed multi-country teams and spearheaded operations that delivered 9.4 GW of energy, including 1.5 GW in geothermal. Currently overseeing international operations for Geothermal Holdings, he has influenced geothermal regulatory policy, led projects like Cerro Pabellon and Salton Sea, and advanced Enhanced Geothermal Systems (EGS). Gonzalo’s expertise includes building billion-dollar business units and integrating energy assets across diverse markets.

Gonzalo E. Torres Macchiavello
MBA – Chief Operating Officer

Bridget Silva, MBA, is an accomplished leader with over 20 years of experience in energy technology commercialization, innovation, and policy advocacy across the power, oil and gas, and geothermal industries. She has held key roles at companies like Hewlett Packard and Lockheed Martin and contributed to geothermal ventures such as Criterion Energy Partners and Baseload Capital. Currently driving business development for Geothermal Holdings, Bridget champions geothermal policy reform and sustainable energy innovation. A lead author on geothermal’s societal impact, she holds a degree from Baylor University and an MBA from Texas A&M, shaping the future of renewable energy.

Bridget Silva
Chief Business Development Officer

Denise Knight, MSc, is a highly experienced geoscientist with over 20 years in upstream hydrocarbon exploration and development across basins such as the Gulf of Mexico, Permian, and Ghana’s Tano Basin. With expertise in subsurface characterization and data integration, she has led innovations like transitioning drilling programs from vertical to horizontal developments and spearheading the Haynesville play’s debut. Now leading subsurface exploration for Geothermal Holdings, Denise applies her extensive knowledge to drive geothermal advancements, leveraging her success in creating $4 billion in value through resource development.

Denise Knight, MSc
Senior Vice President, Geosciences
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Meet our team members

Chief Executive Officer & CFO
Chief Operations Officer
Chief Business Development Officer
SVP & Geoscientist
Director, India
Managing Director, India
Senior Executive Advisor
Co-Developer, Louisiana
Head, Administration
Senior Legal Advisor
Business Development
Business Development

Let’s work together

GT Titan strives to produce an emissions free renewable and alternative energy source that provides low-cost, abundant, and dispatchable electricity for our customers, on and off the grid.
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