Corporate Leadership Award
Outstanding Business Leadership
Oscar Warmerdam is the President of Sempergreen USA and a long-time supporter of the development and advancement of the green roof industry. For years Oscar provided guidance on the Green Roofs for Healthy Cities Board of Directors, and served an advisor on policy and corporate member initiatives.
In 2016 he served as the co-chair of the CitiesAlive Local Host Committee as well as the chair of the inaugural Stormwater Technical Workshop Committee.
With Sempergreen’s new Purple-Roof concept, Oscar has championed the development and distribution of stormwater performance testing methods for green roof assemblies to improve the recognition of green roofs as a stormwater best management practice.