Board of Directors

The Corporate Bylaws of Heat Transfer Research, Inc., define the membership and authority of the Board of Directors, as well as outline when meetings will be held.

Members of the Board of Directors are elected annually by the stockholders. The Board consists of full-time staff of member companies or Participating Affiliates (PAs) and of independent directors who have business, legal, or technical expertise that supports the needs of the corporation and/or knowledge of the industries HTRI serves.

Directors may serve no more than twelve consecutive years. The Board annually elects a Chair and a Vice Chair, who may serve up to three years in each respective position.



Tjark de Lange

Chair Tjark de Lange KAPP Nederland B.V.

Snezana Velimirovic

Vice Chair Snezana Velimirovic Chemetics Inc.

George A. Denavit

Member George A. Denavit Independent Director

David Hendrawirawan

Member David Hendrawirawan Independent Director


Thomas Lang

Member Thomas Lang Wieland-Werke AG

Ivan Olson

Member Ivan Olson Independent Director