Leadership Team

Decades of Experience

Our international management team is comprised of power industry professionals with several decades of experience providing gas turbine technology expertise. From engineering and construction services to consultations and evaluations, our team is highly skilled in all operational aspects of your power plant equipment.

Left to Right: Rob Hearn (VP Operations), Scott Muster (Marketing Director), George Gramatikas (Strategic Development Officer), Pat Begley (VP Sales), Dave Simmons (Engineering Director), Ricky Morgan (VP Engineering), Frank Hoegler (VP Sales), Tony Thornton (President).


Meet The Team


Tony Thornton

As President of TTS, Tony is directly responsible for all aspects of the company's growth and operations in the international power generation and energy markets. He has over 30 years of power generation industry experience, during which he has worked in over 60 countries.

Tony has been with TTS 28 years and his responsibilities have ranged from providing gas turbine engineering, project management and consulting services, all the way through to his current role as President.

Prior to joining TTS, he was with the General Electric Company, working as an international field engineer. Tony holds an Executive Masters in Business Administration (EMBA) from the University of Central Florida and is a member and participant of several industry organizations and leadership committees.

Tony also serves as President of TTS’ parent company, TTS Energy Services.


Frank Hoegler
VP Sales

Frank is responsible for the management of all business development and sales efforts. He brings over 30 years of gas turbine experience to TTS.

Prior to joining TTS, he was employed by Sermatech Power Solutions serving as Vice President of Sales and Marketing and previously as Director of the Gas Turbine Parts Program. Frank was also employed by Power Systems Manufacturing LLC as the General Manager of Sales and by General Electric where he held various positions ranging from Field Engineer to Sales Manager to Combustion and Fuel Nozzle Repair Business Leader. He is also a U.S. Navy Veteran where he worked on gas turbine shipboard propulsion and electrical systems.

Frank was born in Ohio and earned his Bachelor’s degree in Technical Management from State University of New York and a Master in Business Administration from the University of Central Florida. Frank also holds a U.S. Patent for Gas Turbine Repair Techniques and is a specialist in industrial gas turbine technology.


Pat Begley
VP Sales

Pat brings over 29 years of gas turbine experience to Turbine Technology Services.

Prior to his current role, Pat was employed by Sermatech Power Solutions serving as Executive Manager of Corporate Sales. In the 1990’s, Pat worked for TTS as Vice President of Corporate Sales and with HSDE Inc. as Manager of Industrial and Marine Business Development.

In his early career with General Electric, Chromalloy, Unitech and HSDE, Pat developed his extensive knowledge of heavy rotating equipment by performing engineering roles including Mechanical Field Service Engineer (GE and Chromalloy), Speedtronic Control System Service/Startup Engineer (GE and Chromalloy), PLC Control System Development Engineer (Unitech) and Controls Group Engineering Manager (HSDE).

Pat was born in Ireland. He earned his Bachelor’s degree in Mechanical Engineering from the University of Dublin and Master in Business Administration from the University of Houston.


Ricky Morgan
VP Engineering

Ricky brings over 30 years of electrical and controls engineering experience and is responsible for all technical aspects of TTS’ products and services. Prior to joining TTS, Ricky was employed by Sermatech Power Solutions, serving as the International Executive Manager for the Middle East and previously as Vice President of Turbine Systems Engineering.

Ricky was born in Scotland, where he earned his Bachelor’s degree in Electrical and Electronic Engineering from Strathclyde University, Glasgow. More recently, he graduated from the University of Central Florida with his Master in Business Administration.


Rob Hearn
VP Operations

Robert (Rob) Hearn graduated from Canisius College in Buffalo, NY with a Bachelor of Science Degree in Accounting and then went on to graduate from the University of Central Florida Executive MBA Program. He has over 20 years’ management and corporate operations experience with various international engineering and technology firms. He is currently the Vice President of Operation.

Prior to his current career, Rob worked for the National Hockey League and was the referee at the gold medal hockey game at the 1994 Winter Olympics in Lillehammer, Norway.


George Gramatikas
Strategic Development Officer

George co-founded TTS with Dan Davis in the early 1980s. Serving as President and CEO throughout the 1990s, George led TTS to prominence as an independent product, service and construction provider.

Today, George Gramatikas serves as an active board member and advisor to TTS and has a prominent role integrating new technology and new markets into TTS' legacy business. George has served as an international arbitrator for the American Arbitration Association (AAA) and the International Centre for Dispute Resolution® (ICDR) since 2003.

In his early career with General Electric, George developed his extensive knowledge of power generating and mechanical drive equipment in engineering roles ranging from mechanical field services to electrical and startup engineer and project manager.

George Gramatikas earned a B.S. in Mechanical Engineering from the Wentworth Institute of Technology in Boston, where he was honored with the prestigious Beatty Award. In 2010 he was inducted in the University of Central Florida Business School Hall of Fame where he had earned his EMBA. In 2013 George was selected by ASME and presented by Central Florida multi-discipline engineers their Lifetime Achievement in Engineering Award. George volunteers his personal time mentoring startups through programs like the National Science Foundation’s iCorps and women focused WeVenture.


Scott Muster
Marketing Director

Scott is an award-winning, sales and branding / marketing executive who thinks strategically and acts tactically. An effective leader coaching diverse teams of corporate thought leaders, sales teams, marketers and graphic arts professionals to produce marketing materials and messaging that impassions sales teams and resonates with their audiences.

He provides decisive and creative guidance that transforms cultures. Recruits, retains and inspires high-performing talent to achieve exceptional results. Scott possesses innate talent to foster collaboration and build consensus among internal and external stakeholders.

His responsibilities include enhancing the brand, developing all of the marketing material and online assets, and strategically supporting the sales team and TTS International agents.

Scott graduated from the University of Houston.


Dave Simmons
Engineering Director

Dave is responsible for all engineering activities at TTS. He brings over 25 years of BOP and gas turbine controls, auxiliary and fuel systems design experience to TTS.

Prior to joining TTS, Dave was employed at EthosEnergy/GTE as the Director of Engineering overseeing the design and fabrication of BOP and auxiliary systems for major turbine OEMs and EPC firms. Before that Dave was an early member of TTS overseeing the design and implementation of CM&U projects including the ElectroFlo control valve, DLN1 conversions, water injection systems and many others.

Dave has industry leading experience in fuel metering, measurement and conditioning systems as well as water/steam injection for NOx control. If it flows Dave has designed systems for it, including air, oil, gas, water, steam and liquid fuels just to name a few. Solving user’s problems is a specialty of Dave’s, from the smallest part to the largest system in the plant, he and his team will engineer a hassle-free solution that will not disappoint for many years to come.

Dave has a BSME from Clarkson University.

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