Purchasing Division Staff Directory

Purchasing Division staff, titles and responsibilities.
Name General Commodities Responsible for:
Ivelsa Guzman, MBA, CPPB, NIGP-CPP
​Purchasing Manager
Principal Public Purchasing Official, responsible for all procurements
Professional Services, Construction and Technology
Jeremin Worlds, MBA
Assistant Purchasing Manager
Professional Services, Construction, Consulting Services, Specialty Equipment
Senior Buyer
Professional Services, Construction, Consulting Services, Specialty Equipment
Fernando Villalobos, MBA, CPPB
​Sr. Buyer
Construction, Consulting Services, HVAC, Generators, Training, Pumps, Roof Repair & Maintenance
Robin Annexstein, MBA, CPPB
​Buyer II
Fuel & Oil, Groundskeeping Equipment/Supplies, Landscape Maintenance Services, Marine Equipment, Sod, Special Events, Tree/Palm Services
Micha Caldwell
​Buyer I
Agricultural Supplies, Athletic Equipment, Janitorial Services and Supplies, Mulch, Police/Tactical Equipment & Supplies, Pressure Cleaning Services
​Buyer I
Crane Services, Equipment Rental, Emergency Medical Supplies, Fencing, Fire Rescue Equipment, Concession Services, Hauling Services, Pavers, Pipes, Valves & Fittings, Signage
Neil Phillips
​Buyer I
AV Equipment, Chemicals for Water & Wastewater, Electronic Equipment, MRO/Hardware, I.T. Software, Laboratory Supplies/Services, Library Materials, Security
George Hershewe  Buyer I Automotive Supplies & Services, Computer Hardware, Copiers, Fleet Equipment, Office Furniture & Supplies, Printing, Uniforms, Welding Services
Yolaina Ruiz
​Purchasing Coordinator
Small Dollar Procurements, Purchasing Card Liaison, Surplus Coordinator
Lisa Campanelli​ 
Acting Purchasing Technician
Supplier Registration/Inquiries, Assistance to Buyers
Lisa Campanelli
​Administrative Assistant
Reception, Supplier Registration, Insurance Certificate Coordinator