Our Team
At AAA Estimating, our greatest competitive advantage isn’t software, it’s our people. Every member of our team is a seasoned, certified construction estimating professional dedicated exclusively to one goal: helping you submit accurate, winning bids. Every single person on our team is a professional estimator, credentialed and experienced on producing the most precise construction takeoffs and cost estimates.
Meet the People Behind Your Winning Bids
James A. Whitfield
Chief Executive Officer & Certified Professional Estimator
With over 18 years of construction estimating experience and credentials from three of the world’s most respected estimating and quantity surveying bodies, James sets the quality standards that every team member is measured against.
He oversees all company operations, client strategy and quality assurance, personally reviewing our processes to ensure every estimate we deliver is one our clients can bid on with complete confidence.
CPE (AACE International) | RICS Chartered Quantity Surveyor | LEED Green Associate
Rachel M. Donovan
Director of Estimating | Head of Quality Assurance
With certifications spanning AACE’s Certified Cost Professional and ASPE’s Certified Professional Estimator Rachel brings an unmatched level of technical rigor to her role.
Her philosophy is simple: a number only has value if it’s right, and our clients’ bids only win if our numbers are right.
CCP (AACE International) | CPE (ASPE) | PCEA (AACE International)
David T. Calloway
Senior Estimating Manager
A member of both ASPE and AIQS, David brings an international perspective on construction cost management that enhances the precision of our estimates on complex, large-scale projects.
With over 12 years of professional estimating experience, David ensures that our team operates like a well-coordinated team, efficient, reliable and always client-focused.
CPE (ASPE) | AIQS (Associate Member) | CCP (AACE International)
Sophia L. Brennan
Professional Estimator | Quantity Surveyor
Sophia’s estimates are known within our team for their exceptional organization, clarity, and completeness making them easy for clients to review and submit with confidence. Her LEED Green Associate credential also means she is well-equipped to prepare estimates for sustainable and green-certified construction projects, a growing segment of the USA bidding market.
RICS Chartered Quantity Surveyor | AIQS (Associate Member) | LEED Green Associate
Liam J. O’Brien
Professional Estimator | Quantity Analyst
Liam estimates are consistently detailed, well-organized, and submitted ahead of schedule, a combination that has made him a firm favorite among our repeat contractor clients.
Liam also plays a key mentoring role within our team, helping newer estimators develop the standards of excellence that define AAA Estimating.
RICS Chartered Quantity Surveyor | CPE (ASPE) | AIQS (Associate Member)
