PARSIPPANY, NJ — GAF today announced the appointment of John Altmeyer as executive chairman, GAF Commercial Roofing, effective Feb. 1. Altmeyer previously served for 21 years as president of Carlisle Construction Materials, which he grew to be the largest and most profitable of Carlisle’s operating units. 

“We have great ambitions for GAF’s commercial business, which we’ve long believed has what it takes to be the market leader,” said David Millstone, co-CEO of Standard Industries. “In John, we have found someone who not only shares these ambitions, but is also uniquely equipped to realize them as we accelerate our investment across every category of commercial.”

In this new role, Altmeyer will develop and lead a multi-year strategy focused on making GAF number one in the commercial roofing market. Altmeyer will report directly to David Winter and Millstone, co-CEOs of Standard Industries.

“With his deep industry experience, along with a proven track record of driving results and transforming businesses, John is singularly positioned to dramatically expand our commercial roofing business," said Winter. "Under his leadership, we look forward to becoming the preeminent player in commercial roofing."

Altmeyer said he looks forward to working with GAF President Jim Schnepper and the GAF team to help realize its full potential in the commercial roofing market.

“I am tremendously excited about the opportunity to join the GAF team,” said Altmeyer. “My mandate is to drive GAF to a leadership position in the commercial market. The building blocks for success are here — a strong team, excellent technologies and capabilities, and a commitment to win.

Schnepper said he has "long admired" Alymeyer and is happy for the opportunity to work with him.

“His experience and leadership, coupled with the extraordinary talent at GAF, will set us up for tremendous success as we look to grow in this market," Schnepper said.