Leadership

Dave brings a broad range of strategic, operational, sales and technology development experience to H2scan. He joined H2scan as a board member in 2017 and took over the Chief Operating Officer role in 2022. Prior to H2scan he worked for Altran, a global engineering services company, where he held roles as COO of North America, Senior VP of Corporate Development, and as General Manager running product development business units serving the industrial, energy, medical, aerospace and automotive industries.

Prior to Altran he held various executive, sales and development roles at both large companies and startups. As the COO of a startup, he ran operations, built its global sales organization and was responsible for technology licensing and strategic partnerships. He also developed significant experience in the sensor market developing MEMS and high-performance inertial sensors for aerospace and industrial applications.

He has a Bachelor of Science in Mechanical Engineering from the University of Delaware where he is a distinguished alumnus.

David Tahmassebi joined H2SCAN as COO in June 2025. He brings over three decades of experience in high-technology companies, with the last two and a half decades dedicated to serving as an entrepreneur—advising, and managing startups as President and CEO.

Over the past 20 years, Mr. Tahmassebi has successfully led three startups as CEO, all of which were acquired by publicly held companies. Prior to joining H2SCAN, he sold LED Engin to ams OSRAM, and after fully integrating LED Engin into ams OSRAM, he went on to lead ams OSRAM’s North America Product Marketing team for the Visualization & Sensing business line.

Notable earlier ventures include his role as President & CEO of Berkana Wireless, which was acquired by Qualcomm in 2005, and as Founder, President & CEO of Resonext Communications, which was acquired by RF Micro Devices in December 2002.

André Marais joined H2scan team as Executive Vice President of Sales. André is an accomplished B2B sales and commercial operations leader with broad functional experience, including managing and vice president roles at Eskom, Global Engineering Solutions, Symmetricom, ABB, AMETEK, and Qualitrol.

He holds a Bachelor of Science in Electrical Engineering from the University of the Witwatersrand and a Diploma in Technology Management from Eskom College.

Joe Rusin joins the H2scan team as Vice President, Transformer System Sales. Joe brings over 25 years of sales and utility experience including managing and vice president roles in global high-tech companies serving the online condition monitoring, capacity optimization, protection & control, SCADA, and process control spaces. He holds a Bachelor of Science degree in Mechanical Engineering from The Pennsylvania State University.

Michael has over 35 years of senior executive experience in many different industries including industrial, manufacturing, oil & gas production and operations, oil & gas equipment and service, alternative energy, and high technology. He’s responsible for sales, business development, marketing, and corporate and business strategies.

John joined H2scan in 2023 as Vice President of Engineering.  With over 20 years of experience, John is an accomplished engineering professional with success in developing and leading multi-disciplined engineering project teams. John has an insatiable passion for customer experience, product development and industrial design.

Prior to H2scan, John was Director of Product Engineering and Manufacturing at the Kromek Group and Director of Engineering at MSA – The Safety Company / General Monitors.  John earned his BSME and MSIE at the University of Pittsburgh and his MBA at Duquesne University.

Dr. Ganesh brings more than 15 years of expertise in scientific research, leadership, and product innovation to his role as Vice President of Advanced Technology Development at H2scan. He plays a pivotal role in shaping the company’s strategic vision and driving technological advancements, solidifying H2scan’s position as a leader in hydrogen sensing solutions for the power, nuclear, and energy industries. Dr. Ganesh excels in integrating advanced sensor technologies, fostering strategic partnerships, and leading market-driven initiatives to strengthen H2scan’s presence in the industry.

He holds a Master’s degree from the Indian Institute of Technology, a Ph.D. in Chemistry from the University of Southern California, and an MBA from UCLA. This multidisciplinary background enables Dr. Ganesh to bridge technical and business domains seamlessly, fueling innovation and success in advanced technology development.

Rani Mouchamel is the Director of Production at H2scan. Rani is an experienced production leader with a passion for driving innovation and excellence in production. His expertise encompasses a spectrum of skills including Operations Management, Supply Chain Management, and Lean Six Sigma.

Prior to his tenure at H2scan, Rani served in various operation roles at Dolby Laboratories and Doremi Laboratories, where he honed his skills for assembling the right teams and tackling critical challenges to optimize processes and maximize efficiency. He holds a Master’s degree in Manufacturing Engineering from Cal State Northridge, and holds the Project Management (PMP)® certification.