Our Team
Who we are
Vision | Intelligence | Impact
The Catalyst Group (TCG) is a leading global technical consulting firm providing actionable, cost-effective and bespoke planning, analysis and operations solutions to clients who are leaders in the global energy, chemical, catalyst/process and materials science industries where decarbonization, circularity and sustainability are driving changes to both fossil-based and carbon-neutral (or negative) resources, with more than 40 years of experience and world-class references.
Meet Our Leadership Team
Chief Executive Officer
Clyde Payn
I founded The Catalyst Group in 1984 and have spent over four decades working at the intersection of catalytic technology, business strategy, and the catalyst industry. Leading TCG means drawing on a broad network and deep technical background to serve clients across commercialization, strategic assessment, and energy transition - work I find as engaging today as when I started.
Executive Vice President
Alissa Davis
As an Executive Vice President with experience in the petrochemical industry, I specialize in consulting, process design, and leading high-performing teams. With a chemical engineering and materials science background, complemented by an MBA in finance, I leverage my technical expertise and business acumen to drive operational excellence, empower people, and achieve sales and revenue growth.
Program Manager
Riya Choudhury
As a Program Manager at The Catalyst Group, I manage multi-stakeholder programs on catalytic advances, and industrial energy transition and decarbonization, and clean energy innovation, collaborating with global experts and organizations to translate technical advances into actionable industry insights.
Human Resources Director
Betsy Payn
I lead The Catalyst Group's human resources function, supporting a team of consultants and technical professionals across TCG's practice areas. My focus is on building a workplace where people can do their best work - from onboarding to employee development and day-to-day HR operations.
A Global Consultancy Serving Diverse Process Industries
At The Catalyst Group (TCG), we’ve spent four decades helping leaders in catalyst-using industries achieve success. As a trusted technology-driven consultancy, our expertise covers all aspects of investment financing, engineering, process optimization and catalyst development.
From gasoline to asprin, TCG’s insights and strategies empower businesses to thrive in today’s competitive markets.
Why Choose TCG?
TCG is a unique organization within the consulting universe. Here are the benefits of working with us:
Global Network of Experts: Access to over 200+ scientific and commercial leaders with deep industry knowledge.
Proven Track Record: Providing successful consulting to high-profile clients.
Client-Driven Approach: A highly interactive style tailored to each client’s needs.
Deep Industry-Specific Solutions: Demonstrated expertise in refining, chemicals, pharmaceuticals, catalysts, environmental and more.
End-to-End Support: We manage everything from investment planning to manufacturing strategies, ensuring seamless execution at every stage.
Partnered with TCG, clients have the tools to bridge the gap between innovation and execution in today’s global market.
Industries We Serve
TCG understands the science, engineering and economics of catalysis and catalyst-using operations, and energy transition. Our experience spans diverse industries:
Crude oil refining
Chemicals
Material sciences
Specialties
Environmental
Catalyst Manufacturers
Engineering, Procurement and Construction (EPC)
Investment Bankers
Startup Companies
We deliver tailored solutions through client-directed projects as part of TCG and specialized programs via The Catalyst Group Resources (TCGR).
Unlock Your Company's Potential
The Catalyst Group is here to transform your challenges into opportunities and your opportunities into success.




