Meet Our Team

JLD is an established organization providing the best value, while continually recruiting talented individuals to add to the firm’s robust and deep knowledge base.

John Drentlaw, LEED AP

John Drentlaw, LEED AP

Principal

John earned his BS in Construction Engineering and Graduate Studies in Finance. He went to school at Arizona State University as a snowbird from Minnesota. With over 30 years of experience in the A/E/C industry, John is a sought-after expert in creating cost certainty for construction projects. He is known throughout the industry for the detail and accuracy of the estimates he produces.

Curt Kolar, CPE

Curt Kolar, CPE

CSA - Cost Estimator

Curt earned his BS in Construction. His work started in his home state of California. He develops estimates for bids and budgets, as well as additional cost analyses, for over 40 years. He has worked on every side of the negotiating table and has come within 5% of market value in over 90% of his estimates.

Jacqueline Stewart

Jacqueline Stewart

Senior Consultant - Inspector

Jacqueline earned her Bachelor of Applied Science degree and brings seven years of experience in project coordination to the JLD team, specializing in large and complex projects. Her excellent interpersonal skills and experience meeting hard deadlines make her an asset to any project team.

Eli Mandel

Eli Mandel

MEP - Cost Estimator

Eli earned his BS in Mechanical Engineering. He is an Oregon native and an OSU beaver. He has a diverse portfolio of project experience, ranging from M/E/P systems to landscape architecture. His attention to detail allows him to deliver accurate and precise cost estimates for projects of all shapes and sizes.

Alexei Marin-Cortes

Alexei Marin-Cortes

Civil & Structural Cost Estimator

Alexei earned his BS in Civil Engineering and MS in Structural Enginering. Originally from Columbia, he speaks Spanish and English fluently. He brings expertise in sitework, civil engineering, and structural engineering to the JLD team. He has worked across the country providing estimates for parks, public works facilities, heavy civil projects and more.

Adetola T. Adeniyi

Adetola T. Adeniyi

Cost Estimator

Adetola earned her Masters of Technology in Quantity Surveying from The Federal University of Technology in Akure, Nigeria. She has over a decade of experience working as a Quantity Surveyor and brings that knowledge to her work at JLD.

Sakshi Sharma

Sakshi Sharma

Cost Estimator

Sakshi earned her Masters Degree in Construction Management from the from Arizona State University. Sakshi brings her diverse experience in the construction industry to bear on estimates for MEPT, civil, and architectural projects.  

Matisse Stone

Matisse Stone

Administration & Executive Assistance

Matisse earned her BS in Anthropology and is an Oregon native. Her responsibilities include bookkeeping, project administration, team support, company events and provides Executive Assistance. She enjoys photography, and brings real life plants into our office. This allows our whole team to enjoy the amenities of biophilic connectivity.   

April Salsbury

April Salsbury

Human Resources

April earned her degree in Healthcare Administration and MBA in Business Administration. She is focused on human resources for JLD.  We are proud to support her woman-owned business enterprise, Salsbury & Co. 

Christine Rains

Christine Rains

Graphic Design

Christine earned her BS degree in Landscape Architecture and Graduate Studies in Elementary Education and Teaching. She is active in graphic design and JLD is proud to support her WBE and DBE certified firm. 

Contact

Email: [email protected]
OR: (503) 675-4383
WA: (206) 775-8707

Portland

101 SW Main.
Ste 1950
Portland, OR 97204

Bend

1837 NE Kristi Ct
Bend, OR 97701

Seattle

506 2nd Ave.
Ste 1414
Seattle, WA 98104

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