



President & CEO / Founder
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COO
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CFO
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Director of Engineering / Founder
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Director of Customer Service / Founder
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VP of Sales & Marketing
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President & CEO / Founder / Director
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COO
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CFO
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Director of Engineering / Founder
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Director of Customer Service / Founder
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VP of Sales & Marketing
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Director of Sales

Tim Ewald, President & CEO / Founder / Director
Tim Ewald founded NADA Technologies, LLC (NADAtech) in 2003 to support other manufacturers in the Semiconductor Industry. After years in the industry he grew frustrated with the poor quality and service available from existing vendors. Tim and his team decided to differentiate themselves with industry leading innovation and service. Tim received his BS in Electrical Engineering from Texas A&M University.

Senthil Velayudham, COO
Senthil Velayudham is a customer focused Fortune 500 executive with extensive experience in demand and supply management, P&L management, and IT solutions. He has served as the Vice President and Controller, a multi faceted finance and operations role best described as the blend of CFO and COO of a $7B strategic business entity. In his role as VP of Global Business Operations he gained invaluable experience leading the company's corporate operations during the COVID driven semi-conductor cycle.
In all of his executive roles, Senthil has served as the trusted business partner and strategic adviser to the Senior VP level leaders. He mentored several General Manager VP level business unit leaders on all aspects of growing the P&L of their business. One of his key strengths lies in his ability to effectively influence, communicate, and interact with CEOs and SVP-level executives, making a meaningful impact on business outcomes. Throughout his career, he has consistently delivered results by leading large global teams and nurturing talent. His problem-solving approach is characterized by a calming and positive attitude, along with a determination to find the narrow path that leads to a solution. He is passionate about achieving excellence through successful teams and looks forward to connecting with professionals who share this commitment.

Douglas Trinh, CFO
Douglas Trinh is a Senior Finance Executive with significant achievements and diverse experience in various manufacturing environments. Demonstrated process improvement and financial successes in both middle market and Fortune 100 companies and managed companies under both private equity and publicly traded ownership. Strategically participated in multiple acquisition and divestiture activities. Operationally led and participated in many cost cutting and restructuring projects to enable successful profit and loss leadership. Core Competencies include Finance and Accounting, Manufacturing, Technology and Systems. Douglas earned his BBA in Accounting from Texas Christian University and his MBA from the University of Connecticut.

Charles Reed, Founder / Director of Engineering
Charles (Chuck) Reed joined NADAtech in 2003 as a founding member of the company. He started his career at Peterbilt Motors, but met Ewald and Zuniga when they all worked at Asyst Technologies in 2001. Chuck has designed innovative solutions and built a database of industry after market accessories. He is able to discern the customer's problem and design a manufacturable solution to meet their needs. Chuck earned his BS in Aerospace, Aeronautical and Astronautical/Space Engineering from the University of Texas.

John Zuniga, Founder / Director of Customer Service
John Zuniga joined NADAtech in 2003 after working with Reed and Ewald at Asyst Technologies where he was a Field Service Engineer. As one of the founding members of NADAtech, he has strong industry knowledge and is building an industry leading Customer Service team. John’s team is motivated by his “Customer First” philosophy and his servant leader approach. John earned his Associate of Arts in Computer Electronics from San Antonio College.

Greg Hollingshead, VP of Sales & Marketing
Greg Hollingshead brings NADAtech 39 years of semiconductor capital equipment sales experience. He started his career as a manufacturer's representative selling both capital equipment, spares and customer support programs. Afterwards, Greg began developing gas delivery subsystems attaining multiple patents in modular surface mount gas panels.
Over the last 21 years, Greg has held several key sales and marketing management roles in process equipment including Etch, PVD, PECVD, Electrofill, and Optical Inspection and Metrology. His expertise spans all major market segments, including MEMs, RF, Power, Photonics, Quantum, and Advanced Packaging. Known for solving customer challenges, he consistently strives to ensure total satisfaction. Greg earned a Bachelor's degree in Mathematics and Physics from the University of Texas.

Tim Ewald, President & CEO / Founder / Director
Ewald founded NADA Technologies, LLC (NADAtech) in 2003 to support other manufacturers in the Semiconductor Industry. After years in the industry he grew frustrated with the poor quality and service available from existing vendors. Tim and his team decided to differentiate themselves with industry leading innovation and service. Tim received his BS in Electrical Engineering from Texas A&M University.

Senthil Velayudham, COO
Velayudham is a customer focused Fortune 500 executive with extensive experience in demand and supply management, P&L management, and IT solutions. He has served as the Vice President and Controller, a multi faceted finance and operations role best described as the blend of CFO and COO of a $7B strategic business entity. In his role as VP of Global Business Operations he gained invaluable experience leading the company's corporate operations during the COVID driven semi-conductor cycle.
In all of his executive roles, Velayudham has served as the trusted business partner and strategic adviser to the Senior VP level leaders. He mentored several General Manager VP level business unit leaders on all aspects of growing the P&L of their business. One of his key strengths lies in his ability to effectively influence, communicate, and interact with CEOs and SVP-level executives, making a meaningful impact on business outcomes. Throughout his career, he has consistently delivered results by leading large global teams and nurturing talent. His problem-solving approach is characterized by a calming and positive attitude, along with a determination to find the narrow path that leads to a solution. He is passionate about achieving excellence through successful teams and looks forward to connecting with professionals who share this commitment.

Douglas Trinh, CFO
Trinh is a Senior Finance Executive with significant achievements and diverse experience in various manufacturing environments. Demonstrated process improvement and financial successes in both middle market and Fortune 100 companies and managed companies under both private equity and publicly traded ownership. Strategically participated in multiple acquisition and divestiture activities. Operationally led and participated in many cost cutting and restructuring projects to enable successful profit and loss leadership. Core Competencies include Finance and Accounting, Manufacturing, Technology and Systems. Douglas earned his BBA in Accounting from Texas Christian University and his MBA from the University of Connecticut.

Charles Reed, Founder / Director of Engineering
Reed joined NADAtech in 2003 as a founding member of the company. He started his career at Peterbilt Motors, but met Ewald and Zuniga when they all worked at Asyst Technologies in 2001. Charles has designed innovative solutions and built a database of industry after market accessories. He is able to discern the customer's problem and design a manufacturable solution to meet their needs. Charles earned his BS in Aerospace, Aeronautical and Astronautical/Space Engineering from the University of Texas.

John Zuniga, Founder / Director of Customer Service
Zuniga joined NADAtech in 2003 after working with Reed and Ewald at Asyst Technologies where he was a Field Service Engineer. As one of the founding members of NADAtech, he has strong industry knowledge and is building an industry leading Customer Service team. John’s team is motivated by his “Customer First” philosophy and his servant leader approach. John earned his Associate of Arts in Computer Electronics from San Antonio College.

Greg Hollingshead, VP of Sales & Marketing
Hollingshead brings NADAtech 39 years of semiconductor capital equipment sales experience. He started his career as a manufacturer's representative selling both capital equipment, spares and customer support programs. Afterwards, Greg began developing gas delivery subsystems attaining multiple patents in modular surface mount gas panels.
Over the last 21 years, Hollingshead has held several key sales and marketing management roles in process equipment including Etch, PVD, PECVD, Electrofill, and Optical Inspection and Metrology. His expertise spans all major market segments, including MEMs, RF, Power, Photonics, Quantum, and Advanced Packaging. Known for solving customer challenges, he consistently strives to ensure total satisfaction. Hollingshead earned a Bachelor's degree in Mathematics and Physics from the University of Texas.

Delbert Bray, Director of Sales
Bray brings over 16 years of experience in sales, operations and customer service, most recently with PulseForge where he was Senior VP of Sales and Encompass as the VP of Channel development. He has managed global sales teams responsible for year over year double digit growth. Delbert's experience spans staffing, product engineering, new product development, marketing, managing multiple call centers and distribution.