Logo of the ASHRAE South Africa Chapter

Board of Governors


Olu is a Professional Engineer and Professional Construction Project Manager with 30 years experience.

He started AOS Consulting Engineers in 2008. In 2009, the company won an award as the Young Company of the Year from CESA/Glenrand MIB and various international awards.

He is currently serving as the GAC Chair, Chapter Delegate and the President for ASHRAE South Africa Chapter.


Richard is currently the business owner of HFW Consulting (Pty) Ltd and actively consults throughout South Africa and Africa on mechanical, fire, wet services and sustainability. He is a Faculty member for the Green Building Council of South Africa and serves as an assessor for them as well.

He currently serves as the Chapter Treasurer and Chapter President Elect on the Board of Governors and is the Subregion 1 Chair for Region At Large.


Currently working for Baltimore Aircoil Company as Head of Marketing, Garid has a passion for sustainability which reflects in his Masters topic on Water vs Energy saving in HVAC installations.

Garid is 1 of 5 current BOG members as well as the membership promotions and nominations chair for ASHRAE South Africa.


Mischa Tessendorf is a mechanical engineer (B.Tech. Mech. Eng.), working in the HVAC&R industry, focusing on energy-efficient solutions for commercial and industrial applications. She also has a passion for sustainability. She holds a Master of Business Administration from Gordon Institute of Business Science, University of Pretoria, and did her dissertation on Assessing Sustainability Strategy Implications in an organization. With over eight years in the engineering manufacturing industry, she loves any opportunity to be challenged, especially where lots of innovation is required, and always thinks beyond the conventional.

Mischa serves on the Board of Governors as the Chapter Secretary, is the chair of the Diversity Committee and also co-chairs the Sustainability Committee.


Dick is a member of the ASHRAESA Board of Governors with a focus on communications. Most of his life he has worked in a managerial position in a large multinational consulting practice and he now has his own small practice. Whilst he takes on projects of all types, data centres and sustainable building designs are his passions.

Dick serves on the Board of Governors as the Chapter Alternate, as Government Affairs co-chair and as Communications co-chair.

Top