The company announced three new appointments to serve customers in North America and in the United Kingdom, Europe, Middle East and Africa (EMEA) region.
This shift transitions the firm’s technology discipline into three specialized yet connected teams, each led by a dedicated executive.
The company announced an evolution of its technology team aimed at expanding its research capabilities, accelerating digital innovation, and strengthening operational excellence
Greshem has experience in HVAC, residential applications, drinking water systems and more.
In this role, Joe will lead Rinnai America's Innovation organization, providing strategic direction for innovation, product strategy, and technology advancement across North America.
GF appoints new vice president of finance to support continued growth.
Alarcón brings more than 25 years of global finance leadership experience to the role, overseeing Finance and Accounting operations effective Dec. 15, 2025.