Iltaz Alam

Iltaz Alam is a product manager at GCP and holds a Chemical Engineering degree. Iltaz has over 15 years of waterproofing experience globally and has worked with several liquid applied waterproofing technologies throughout his professional career.

Greg Austin

Greg Austin is the global product director, specialty building materials, for GCP Applied Technologies. Based in Cambridge, Massachusetts, he has a background in consulting and more than five years of experience in waterproofing system development and construction materials.

Xia Cao

Xia Cao is principal scientist at GCP Applied Technologies. She has more than 12 years of experience in waterproofing system and building materials development, and more than 20 years in material science and process engineering. Cao holds a PhD in chemical engineering and has produced more than 20 technical publications, 10 published patents, and five pending patent applications.

Brian Chang

Brian Chang is senior manager of residential product management at GCP. He has a demonstrated history of delivering revenue, profitability and growth within diverse industries and work environments. Chang is responsible for the performance of a team of product managers and the execution of key portfolio, profitability, and business initiatives across the range of GCP’s specialty building materials product lines.

Abby Feinstein

Abby Feinstein is director product management and marketing for commercial buildings and infrastructure at SAINT-GOBAIN: CertainTeed & GCP Brands. She is responsible for aligning the commercial building and infrastructure product portfolio with North American market values and business strategy. Prior to joining CertainTeed, Feinstein helped start several businesses in the renewable energy and energy efficiency sectors. In addition to product management, she’s directed sales and marketing divisions and operated her own home performance consulting business.

William Piper

William Piper is is GCP Product Management Leader, Infrastructure.

Andrew Derenski

Andrew Derenski is a commercial territory manager for DE NEEF Waterproofing Injection Solutions at GCP. A professional engineer and LEED accredited professional, he has 15 years of experience in commercial construction management before joining the chemical injection grouting industry in 2013. Derenski oversees DE NEEF in the Southeastern and Central United States as well as Central Canada. He has a BS in civil engineering from the University of Cincinnati, cum laude.

Bill Copeland

Bill Copeland is senior territory manager of DE NEEF North America.

Greg Laugeni

Greg Laugeni is the North America Technical Manager for Stirling Lloyd Products at GCP. He is a qualified National Association of Corrosion Engineers Level 3 Certified Coating Inspector/QA/QC Manager with nearly 37 years of cross-functional experience within the architectural, bridge, civil, and marine industries. He earned a BA degree from the College of the Holy Cross. He holds numerous certifications from The Society for Protective Coatings.