2018 Presenters

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Michael E. Clark

President, RCI, Inc.

Keynote Speaker
Tuesday, July 25 | 8:30am-9:30am

Clark is the founder and president of Michael E. Clark and Associates, Inc., an engineering and building envelope consulting firm founded in 1996 and located in Macon, Georgia.

RCI, Inc. is an international association of building envelope consultants. Members specialize in design, investigation, repair and management of roofing, exterior wall, and waterproofing systems.

Clark has worked to advance the profession of building envelope consultants within the industry and promote the  tremendous economic value of the roofing, waterproofing and building envelope industries, both globally and in the United States. .

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Bill McHugh

Executive Director, Chicago Roofing Contractors Association

Chicago Energy Code & Rooftop Reflectivity Code Requirements - Chicago


Martha e. Marrapese
Partner, Wiley Rein LLP

Martha has earned a global reputation for her work with companies with industrial biotechnology and nanotechnology platforms. She is a recognized authority on chemical regulation and premanufacture approval under the evolving Toxic Substances Control Act (TSCA). Her involvement in the federal policy process regularly brings her before Congress and the U.S. Environmental Protection Agency (EPA) on behalf of companies, consortia, and trade associations.

3 Things Every Roof Coating Manufacturer Needs to Know about the New TSCA Law

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As a Board Certified Construction Lawyer, Trent focuses his practice on all aspects of construction litigation and arbitration, including OSHA defense, lien law, bond law, and bid protests, as well as construction document review and drafting. He routinely represents general contractors, subcontractors, suppliers, manufacturers, architects, engineers, developers, and others in the construction industry in a variety of matters. Trent is the General Counsel for the National Women in Roofing (NWIR), the Florida Roofing & Sheet Metal Association (FRSA), Florida Irrigation Society (FIS) and the Florida Refrigeration and Air Conditioning Association (FRACCA).  He routinely advocates for contractors at the state Construction Industry Licensing Board and is active in molding contractor-friendly statutes, rules and regulations on the local and state levels.  Trent has been recognized as one of the leading attorneys in the field by his peers and the construction industry and has received numerous honors and distinctions as identified below. He is the editor and primary author of the Amazon best-selling book OSHA Defense for the Construction Industry.

OSHA Inspection & Citation Process


thomas j. taylor, PHD
Exec. Director Building Science, GAF

Thomas J Taylor, PhD is the Executive Director of Building & Roofing Science for GAF. Tom has over 20 year’s experience in the building products industry, all working for manufacturing organizations. He received his PhD in chemistry from the University of Salford, England, and holds approximately 35 patents. Tom’s main focus at GAF is roofing system design and building energy use reduction. Under Tom’s guidance GAF has developed TPO with unmatched weathering resistance.

Urban Heat Islands and Cooler Infrastructure: An Experimental High-Albedo Roof Coating Study

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Jason Carlson
Staff Chemist, UL LLC

Jason Carlson is a Staff Chemist and technical lead for potable water system product evaluations at UL, where he has worked for the past 10 years. Jason has presented on potable rainwater harvesting requirements at the ARCSA (American Rainwater Catchment Systems Association) annual conference and has lead live educational webinars for UL customers and the general public. He has been involved with task groups for ARCSA and the drafting of the CSA/ICC B805-201 Rainwater Harvesting Systems Standard. Before UL Jason worked at the US Naval Research Laboratory in Washington, DC and at Scientific Control Laboratories in Chicago, IL. Jason has a BS degree from Purdue University, West Lafayette, IN and a MA from Saint Xavier University, Chicago, IL. Jason currently resides in Bend, Oregon.

Coating Transparency: Environmental Product Declarations and Harvested Rainwater Quality

Hans Haas
Technical Service Director, AB Specialty Silicones

Hans Haas is currently Technical Service Director at AB Specialty Silicones, and has over 35 years experience in Product Development in adhesives, sealants and coatings with Loctite, Henkel and Permatex. He received a BS Chemistry from the University of Akron. He is inventor/co-inventor on over ten patent in a broad range on technologies. The last 25 yrs he has concentrated on silicone technology in both moisture cure and addition cure chemistries.

Exploring Primers for Silicone Roof Coatings over TPO Membranes


Brent Crenshaw
Scientist, EPS Materials

Dr. Crenshaw has been in the Construction group at EPS Materials for 6 years. He is an industry specialist in roof coatings and leads research and development projects in multiple areas of the construction market. Prior to being at EPS Materials, he held various positions at Bayer MaterialScience. Dr. Crenshaw holds a bachelor’s degree in Chemical Engineering and a PhD in Macromolecular Science and Engineering.

Formulating Roof Coatings for Adhesion and Asphalt Bleed-through Resistance

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Tamer Tezel
Technical Solutions Manager, Organik Kimya

B.S Chemistry, Middle East Technical University, TURKEY, 2007
M.Sc. Physical Chemistry, Middle East Technical University, TURKEY, 2009
M.Sc. Process Business Management, University of Warwick, UNITED KINGDOM, 2010

Technical Services Specialist, ORGANIK KIMYA, 2010 – 2013
Advanced Application Engineer, 3M TURKEY, 2013 -2017
Technical Solutions Manager – Construction Solutions, ORGANIK KIMYA, 2017 –

Effects of Silane Modification of Styrene Acrylic Polymers for Construction Applications

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Joseph Rokowski
Technical Director, Insulating Coatings Corporation/Astec Re-ply

Joe currently works as Technical Director for Insulating Coatings Corporation in Florida. Joe started work at Rohm and Haas in 1981on coatings development, is the inventor on 17 Patents and has authored a number of technical articles. He was awarded the Federation Society for Coatings Technology Roon Award in 1988 and in 2014 retired from Dow Chemical as Group Leader & Principle Research Scientist for the worldwide roof coatings program He has a BS in Chemistry from St Joseph’s University. Joe is a lifelong native of Pennsylvania, is married with three grandsons, is an avid organic gardener and does an overabundance of home repair and improvement on his 1800s PA stone farmhouse.

Dirt Pickup Resistance: The Influence of Testing Parameters and Formulation Variables on Performance

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Dr. tom tepe
Global R&D Director, Henry Company

Dr. Tepe has been at Henry Company as the Global R&D Director since 2014. Prior to that, he was in various roles in Research, Development, and Technical Service at Rohm and Haas/Dow Chemical. 

Establishing ASTM D7281 Standard Test Method for Determining Water Migration Through Roof Membranes as Appropriate for Roof Coatings


Jouko Vyorykka
Research Scientist, Dow Europe Gmbh

Dr Jouko Vyörykkä is a Research Scientist in Dow Construction Chemicals R&D organization. He has over 10 years of experience in developing and formulating waterborne coatings for applications ranging from packaging to coatings for various cement based substrates. In his current role his main focus is in development of new waterborne dispersions and technical support for customers in EMEAI. In addition, he is technical leader in global flooring market management team, which is responsible for flooring market strategy and innovation pipeline.

Waterborne Roof Coatings Meeting European Waterproofing Standards



Sridhar Iyer
Technical Specialist, BASF

A seasoned technology professional, with in-depth technical expertise in numerous industry segments, an exemplary record of developing new business/markets, proven credentials in leading teams to winning aspirations, a spotless record of creating & managing safe work environments, and a career track record of accelerating continuous innovation with outstanding sales impact. Recognized for talents in fostering successful collaborations, skillful in managing the interfaces of various business disciplines (R&D, Applications, Marketing, Customers), and building consensus to achieve defined revenue targets.

Accelerating Film Formation of Acrylic Roof Coatings