INVOTEC - Key Persons


Daryl Greywitt - COO, VP

Job Titles:
  • COO
  • Member of the Leadership Team
  • Vice President
Daryl Greywitt co-founded Invotec Engineering, Inc. as a design firm located in a 3,000 square foot condo. When the time came to expand the business, Daryl knew that managing a growing workforce would take a leader who inspired both trust and collaboration. That's why he takes the idea of an open-door policy to a new level-working side-by-side with his employees to build trust, provide motivation, but most importantly, help find the answers.

Jamie Rice

Job Titles:
  • Director of Engineering
  • Member of the Leadership Team
Jamie Rice oversees the applications and engineering teams, helping them concept, design, and control intricate assembly, test, and inspection systems. Jamie started his career at Invotec as a Mechanical Engineer and eventually held positions as a Machining Supervisor, Project Manager, and Applications Supervisor before becoming the Director of Engineering. Having exposure to all aspects of the business, Jamie leads his team with versatility and the ability to approach challenges from multiple angles in order to visualize a solution.

John Hanna - CEO, President

Job Titles:
  • CEO
  • Member of the Leadership Team
  • President
John Hanna co-founded Invotec Engineering, Inc. with a sincere passion for helping people achieve their goals.

Marc Siegel

Job Titles:
  • Controller
  • Member of the Leadership Team
Marc Siegel's role is to provide accurate and timely financial information to all departments and enable them to make better business decisions. Marc graduated from Indiana University and led accounting teams in a variety of industries, from small business CPA firms to global manufacturing companies. He developed a passion for serving the manufacturing industry because of his personal drive for innovation, creativity, and continuous improvement.

Mark Hopkins - COO

Job Titles:
  • Director of Operations
  • Member of the Leadership Team
Mark Hopkins's main objective is to bring customers and employees together to solve the toughest manufacturing challenges. Mark's journey to engineering was both challenging and rewarding-making him a firm believer that anyone can be successful if they are willing to invest and work hard. He uses this inspiration to guide his team as they work to help customers overcome seemingly impossible challenges.

Noah Smith

Job Titles:
  • Director of Business Development
  • Member of the Leadership Team
Experience across a variety of complex industries has given Noah an appreciation for the challenges manufacturers face. This drives his focus on building collaborative relationships where both customers and employees can succeed.