Our Mission
Allana Buick & Bers (ABB) assists building owners, architects, contractors, and the construction industry with making buildings perform better. ABB has a holistic approach to building performance by improving building longevity, mitigating risk of defects, and lowering operational expenses with sound building sciences. Our world-class professional staff specializes in building envelope systems, roofing, waterproofing, building forensics, mechanical systems, and testing.
Allana Buick & Bers’ core values are:
ABB is nationally certified as a Minority Business Enterprise (MBE) by the National Minority Supplier Development Council (NMSDC), and from The Supplier Clearinghouse for the Utility Supplier Diversity Program of the California Public Utilities Commission.
Executive Leadership
Leadership

Jonathan Bell
Business Development Officer & Associate Principal

Jason Blinkhorn
Director of Fire Protection,
Hawaii Division Manager, Principal

Edward S. Breeze, PE
Principal

Bill Conley
Dallas Division Manager, Senior Principal

Kelly Conley
Business Development Director, Associate Principal

Silas Collier
LEED AP, Director of Construction Management, Principal

Matt Dutrow
Principal

James Engler, CSI, AIA, SCIP, BESI
Hawaii Building Envelope Manager, Principal

Brett T. Fagan, PE
Principal

Roberto Hernandez
Principal

Michael Johns
Principal

John Kelleher
Chief Financial Officer, Principal

Khatidja Khalfan, CPSM
Marketing Director

Andrew Kistler
Hawaii Mechanical Division Manager, Associate Principal

Gary Nassibian
Associate Principal

David H. Nicastro, F.ASTM, PE
Senior Principal

Ken Paar, AIA, LEED AP, BD+C, BECxP, CxA+BE
Dallas Operations Manager, Senior Principal

Ron Rapacz, AIA, RA, NCARB
Associate Principal

Amanda Robertson, RA
Associate Principal

Neal Sledge
Associate Principal

Doris E. Vales
Principal

Kasey Vowell
Associate Principal

Danny Westerfield Jr., RRO
Principal

John Williams
North Carolina Division Manager, Principal

Barbara Wong
Human Resources Director