Our Team
Meet the Estimators Behind Every Winning Bid
Our team is made up of certified construction estimating professionals with decades of combined field and office experience across every major trade. Every estimator at DO Estimating has been tested, vetted, and trained to deliver takeoffs that are accurate, organized, and contractor-ready.
Daniel Kowalski
Lead Estimator & Head of Operations | 14 Years Experience
Daniel leads our estimating team with a background in large-scale commercial and infrastructure projects. He has produced over 800 takeoffs across 30+ states for GCs, developers, and subcontractors. CPE, ASPE, PMP, Certified LEED AP.
Sarah Mitchell
Senior Estimator | 11 Years Experience
Sarah specializes in mechanical, electrical, and plumbing takeoffs for commercial projects. Her precision in MEP estimating has helped dozens of subcontractors win competitive bids. ASPE Member, OSHA certified.
Robert James
Senior Estimator | 12 Years Experience
Robert has an unmatched eye for concrete quantity calculations and reinforcement takeoffs. His background in field supervision makes his estimates exceptionally realistic and contractor-trusted. CPE-ASPE, ACI-Certified.
Laura Whitfield
Estimator | 8 Years Experience
Laura brings sharp precision to residential construction takeoffs, covering everything from lumber and framing to interior finishes. She’s the go-to for homebuilders and remodeling contractors. ASPE Associate, Xactimate Certified, NAHB Member.
Patricia Vargas
Quality Control Manager | 15 Years Experience
Patricia reviews every deliverable before it leaves our office. With 15 years in cost management and QA, she ensures every estimate meets the accuracy and format standards our clients expect. CPE, ASPE, PMP.
Angela R. Torres
Client Services & Quality Lead
8 years in construction estimating project coordination and client management. Angela ensures every estimate that leaves our team meets our accuracy and formatting standards and that every client gets clear, timely communication throughout the process. PMP Certified, ASPE Associate.
Work With a Team That Knows Construction Inside and Out
Submit your project today and get matched with the right estimator for your trade and scope within minutes of submitting.
