Andrew Halphen is the Director of Preconstruction based in Manhattan’s Houston-area office. He joined Manhattan in 2016 and holds LEED Accredited Professional certification. He is a graduate of Texas A&M University with a degree in Construction Science.

Preconstruction Manager Phil Brandt leads the preconstruction team in Manhattan’s Oklahoma City office. He joined Manhattan in 2005 and holds LEED® AP BD+C, ASPE Certified Professional Estimator, AIC Certified Professional Constructor, and DBIA Professional certifications.  He is a graduate of Oklahoma State University with a degree in Construction Management Technology.

John Begani is Director of Preconstruction Services for Southwest Florida and is based in Naples.  John is a graduate of Canton SUNY Agricultural and Technology College with a degree in Civil Engineering/Construction Technology Engineering.

Ben Stewart is Director of Preconstruction Services and is based in Manhattan’s Mid Atlantic-area office in Arlington, Virginia. He joined Manhattan in 2006. He holds the LEED® AP BD+C credential and has degrees in Economics and Criminology Pre-Law from the University of Maryland, and Construction Management from Montgomery College.

Raylena Browning is Vice President of Preconstruction and leads preconstruction services nationwide. She is an Associate Design-Build Professional and holds the LEED® AP BD+C designation. she is a graduate of the University of Houston with a degree in Construction Management.