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February 25, 2026
Peachtree City, GA
For immediate release
Joseph Gresham Joins Rinnai America Corporation as Vice President of Innovation
PEACHTREE CITY, Ga. (February 24, 2026) — Rinnai America Corporation, a leading North American manufacturer of innovative, energy‑efficient tankless water heaters, has announced the appointment of Joseph (Joe) Gresham as Vice President of Innovation and a new member of the company’s Executive Leadership Team.
In this role, Joe will lead Rinnai America's Innovation organization, providing strategic direction for innovation, product strategy, and technology advancement across North America. His leadership will strengthen Rinnai’s long‑term innovation roadmap, elevate product quality, and drive competitive advantage as the company continues its strong growth trajectory.
“I’m excited to join Rinnai America as VP of Innovation. I’m energized by the culture and the team’s commitment to customers. With a strong foundation already in place, I look forward to driving growth through meaningful innovation,” said Gresham.
“Joe brings extensive experience developing innovative residential and commercial products, transforming product organizations, and driving meaningful growth in multiple industries,” said Frank Windsor, President of Rinnai America. “His leadership will play a vital role in delivering our brand promise of ‘Creating a healthier way of living’ as we expand our product portfolio and accelerate innovation across the North American market.”
Joe is a seasoned global product development executive with experience across HVAC, residential appliances, drinking water systems, and food service equipment. He has held leadership roles at Middleby Corporation, Elkay (now Zurn Elkay Water Solutions), Whirlpool, and Ingersoll Rand (now Trane Technologies), where he consistently delivered innovation, strengthened product strategies, improved quality, and built high‑performing global teams that helped drive growth and improve competitive position.
Joe holds a Master of Business Administration from Purdue University’s Krannert School of Management and a Bachelor of Science in Mechanical Engineering from Auburn University. He also holds a certification in Systems Engineering and Architecture from MIT and Design for Six Sigma Black Belt.
Outside of work, Joe enjoys tailgating, camping, woodworking and metalworking, home projects, and a variety of sports. He and his wife, Corin, have three daughters—two of whom have started their careers, while the youngest is studying Industrial Design at Iowa State University. Joe and Corin, both Georgia natives, were married in Peachtree City, Georgia.
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Rinnai Media Contact:
Amy Evans, PR Account Manager
amy@millerbrooks.com
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About Rinnai:
Rinnai America Corporation, a subsidiary of Rinnai Corporation in Nagoya, Japan, was established in 1974 and is headquartered in Peachtree City, Georgia. Rinnai Corporation manufactures gas appliances, including tankless water heaters, a wide range of kitchen appliances, and heating and air conditioning units. As the technology leader in its industry, Rinnai is the largest gas appliance manufacturer in Japan and has the highest efficiency of any tankless water heater brand in the United States and Canada. Annual corporate revenues, including those of its subsidiaries, are in excess of $3.3 billion. With a global perspective to create 21st-century products for the home and business, Rinnai Corporation commits itself to safety and Creating a healthier way of living®. For more information about Rinnai’s entire product line, visit www.rinnai.us.
Copyright 2026. All rights reserved. Rinnai® and Creating a healthier way of living® are the registered trademarks of Rinnai Corporation used under license by Rinnai America Corporation.