IAPMO
Les Nelson serves as Vice President of Radiant Professionals Alliance, overseeing operational aspects of an international trade association in the radiant and hydronic industries since August 2016. Additionally, Les Nelson holds the position of Vice President for Solar Heating & Cooling Programs at the International Association of Plumbing & Mechanical Officials, contributing to training, education, and product certification since January 2012. As Treasurer of NABCEP, Les Nelson has been involved in the certification of personnel since January 2001. Les Nelson also has a long-standing role as Director and Chair of the Solar Heating & Cooling Committee at the California Solar & Storage Association, with previous positions including President and Executive Director. Formerly, Les Nelson served as Director and Chair of the Solar Heating & Cooling Division at the Solar Energy Industries Association until March 2013 and as President of Western Renewables Group from March 1991 to December 2011. Les Nelson's experience includes a stint as Executive Director of the Solar Rating & Certification Corporation from 2007 to 2009.
IAPMO
The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for ninety years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems globally. As a membership-based association, IAPMO is proud to utilize an open consensus process in the development of our flagship Uniform Plumbing Code® and Uniform Mechanical Code®. These codes are established through scientific research, debate, and analysis, strengthening our position at the forefront of the plumbing and mechanical industries. The IAPMO Group is a complete service organization, providing code development assistance, industry-leading education, and a manufacturer-preferred quality assurance program. Each component of the IAPMO Group works toward our ultimate goal of protecting the health of people everywhere. Visit IAPMO R&T Lab and IAPMO R&T for all your plumbing product testing and certification needs