At GTL, leadership means more than management.
Our executives bring together decades of experience in technology, finance, engineering, and compliance, united by a shared vision: to transform applied science into sustainable infrastructure.
They are supported by an advisory board of global industry leaders, ensuring every project benefits from world-class insight and oversight.
Executive Team

Roy Lindsey
Chief Executive Officer
Roy has more than 20 years of experience leading complex infrastructure and energy initiatives across the U.S. and Africa. He previously managed a $129M renewable energy project and has collaborated with NASA and the U.S. Department of Energy on advanced technology programs. At GTL, Roy drives the company’s vision of combining applied science with bankable project delivery.

Mike Aertker
Chief Operating Officer
Mike is a process engineering and execution specialist with a track record in high-stakes laboratory and infrastructure projects. He led the construction of a U.S. biocontainment lab for infectious disease, bringing expertise in technical design and operational excellence. At GTL, he ensures that innovation moves seamlessly from concept to construction.

Joe Lineburg
Head of Project Finance
With more than 25 years in global finance, Joe has structured and closed multi-billion-dollar IPP and infrastructure projects. He is responsible for ensuring GTL’s projects meet lender and investor requirements, mobilizing capital through Afriterra International, Trussfin, and institutional partners.

Julio Richburg
Head of Business Development
Julio is a seasoned senior executive with over 25 years of experience in leading and transforming private companies across various industries, including pharmaceuticals, healthcare, energy, and technology. His extensive international business and management experience includes securing strategic relationships with major medical supply companies and overseeing international sales, strategic planning, and product development.
Our Leadership Philosophy
GTL’s leadership is united by a simple belief:
- Science is our essence.
- Governance is our backbone.
- Execution is our promise.
Together, they ensure that GTL delivers technology with credibility, finance with certainty, and infrastructure with endurance.


