Karim P. Allana

CEO & Senior Principal

Karim Allana is a sustainable construction expert with active engineering licenses in Washington, Oregon, North Carolina, Nevada, Hawaii, Colorado, and California. He has more than 40 years of construction industry experience, having overseen or consulted on dozens of major new-build and remedial projects across the United States. He is regarded as a national authority on building enclosure, roofing, waterproofing, and exterior façade.

Mr. Allana’s career has humble roots. While earning his civil engineering degree at Santa Clara University, he worked for a San Jose roofing company called Precision Roofing. As a new engineer, he worked on ground-up new construction projects for Turner Construction Company, then returned to Precision Roofing in 1985 to work as an operations manager.

Mr. Allana struck out on his own in 1987, the year he founded Allana Buick & Bers (ABB). ABB is a multistate construction firm overseeing several billion dollars annually in new construction projects and more than a hundred million dollars annually in remedial construction work. As ABB’s current Chief Executive Officer, Mr. Allana is responsible for strategic planning, day-to-day administration of approximately 225 employees, and overseeing the company’s overall direction.

Mr. Allana works with clients in multi-family residential, educational, industrial, local and federal government, healthcare, and insurance. ABB has earned several awards during his tenure, including the best firm to work for (Zweig White) and two documented excellence awards from the International Institute of Building Enclosure Consultants (IIBEC).

Mr. Allana has served as an expert witness in nearly 1,000 construction defect cases. He also develops and presents technical seminars and coursework for construction professionals, engineers, and architects. Through this work, he aims to reduce construction risk, lengthen building lifespans, improve building performance, and enhance energy efficiency.

Karim Allana closely supervises ABB’s reconstruction and new construction projects, focusing on engineering design, condition assessments, construction management, design build work, and energy efficiency and renewable energy system upgrades. He is a member of the International Facility Management Association (IFMA), the American Architectural Manufacturers Association (AAMA), the International Institute of Building Enclosure Consultants (IIBEC), the Community Associations Institute (CAI), and the International Code Council (ICC). He is also a Registered Waterproofing Consultant and a Registered Roof Consultant.