signing a contract

​About Us

​​​​Our Goal​​

The Contract Administration Division and the Purchasing Division are responsible for overseeing the acquisition of all materials, supplies, equipment, and services at the lowest possible cost, consistent with the quality needed for effective use. Our goal is the promotion of the City’s best interest through intelligent action, fair dealing, high ethical standards, and maintaining a mutually advantageous relationship with our Suppliers.

Professional Associations

The City of Thornton is a long time member in good standing of the National Institute of Governmental Purchasing (NIGP) and the National Association of Purchasing Management (NAPM). We are also active members in local chapters of the Rocky Mountain Governmental Purchasing Association (RMGPA) and NAPM Denver. In addition, Thornton is an active charter member of the Colorado Front Range Multiple Assembly of Procurement Officials (MAPO).  Thornton Contract Administration and Purchasing staff are members of, and hold credentials from a number of professional organizations, including the following: 

  • ISM (Institute for Supply Management)
  • UPPCC (Universal Public Procurement Certification Council)
  • ASCE (American Society of Civil Engineers)
  • DORA (Colorado Department of Regulatory Agencies - Board of Registration for Professional Engineers and Professional Land Surveyors
  • CSI (Construction Specification Institute)
  • PMI (Project Management Institute)
  • DBIA (Design Build Institute of America)
  • USCBG - LEED (United States Green Building Council - Leadership in Energy and Environmental Design)

Accreditation

In October of 1999, the City of Thornton Purchasing Division received the national Outstanding Agency Accreditation Achievement Award from the National Institute of Governmental Purchasing. Designation recognizes Thornton for its commitment to sound business practices and high professional standards.  In 2008, the Purchasing Division applied for and was granted Accreditation renewal.

Contact Information

Administrative Support Staff
Telephone: 303-538-7325
Fax: 303-538-7556

Contract Administration Division

Purchasing Division

​Alberto Mezarina
Contracts Manager
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone: 303-538-7466
Fax: 303-538-7556
E-Mail: Al.Mezarina@cityofthornton.net

​Dan Galanaugh, CPI, CCCA, CPPB
Purchasing Manager
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone: 303-538-7375
Fax: 303-538-7556
E-Mail: Dan.Galanaugh@cityofthornton.net

Jim Jensen
Contract Administrator
12450 Washington Street
Thornton, Colorado 80241
Telephone: 720-977-6204
Fax: 720-977-6365
E-Mail: Jim.Jensen@cityofthornton.net

​Susan White, C.P.M.
Senior Purchasing Analyst
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone: 303-538-7588
Fax: 303-538-7556
E-Mail: Susan.White@cityofthornton.net

​Dennis Laurita, PMP
Contract Administrator
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone: 303-538-7649
Fax: 303-538-7556
E-Mail: Dennis.Laurita@cityofthornton.net

Mary Sanchez, CPPB
Buyer II
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone: 303-538-7543
Fax: 303-538-7556
E-Mail: Mary.Sanchez@cityofthornton.net

​Keith Griess
Contract Administrator
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone: 303-538-7643
Fax: 303-538-7556
E-Mail: Keith.Griess@cityofthornton.net

Denise Serna
Purchasing Technician
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone: 303-538-7547
Fax: 303-538-7556
E-Mail: Denise.Serna@cityofthornton.net

​Paul Spacese, Associate DBIA, LEED, Green Associate
Facility Construction Manager
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone:  303-538-7647
Fax: 303-538-7556
E-mail: Paul.Spacese@cityofthornton.net 

​Jennifer Cahill, PMP
Facility Construction Manager
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone:  303-538-7330
Fax: 303-538-7556
E-mail: Jennifer.Cahill@cityofthornton.net

Sean Saddler
​Facility Construction Manager
9500 Civic Center Drive
Thornton, Colorado 80229
Telephone:  303-538-7644
Fax: 303-538-7556
E-mail: Sean.Saddler@cityofthornton.net