Help Us Welcome Our New ASPIN Team Member
by Administrative Team
We’re thrilled to welcome Jeff Stempak to our team as our new ASPIN Operations Support Specialist! With extensive experience and knowledge in both the private and the public school food industry, Jeff is here to strengthen the service and support you rely on. We’re confident Jeff will make a meaningful difference, as we continue working together to meet your goals.
Some of you may already know Jeff from his previous experience in some of our Phoenix area school districts. You can learn more about him below. Please join us in giving Jeff a warm welcome!
Jeff Stempak, ASPIN Operations Support Specialist



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Work Life:
How did you get into public procurement?
— Serving as a School District Administrator for Food & Nutrition programs, it was just a natural progression.What motivates you?
— My children.What are you most excited about with your move to Mohave?
— I am excited to be of service to so many of the colleagues and people I have built relationships with over my career. New opportunities, growth & new experiences. -
Personal Life:
Family life?
— Incredibly blessed with my 3 kids and 1 sweet loyal dog, Lily.Dream vacation spot?
— Anywhere in the Caribbean been there many times & can’t wait to go back.Favorite book or movie/hobbies?
— Anything from Clive Barker, also a sport card collector.Biggest pet peeves?
— Ill-mannered people.Where were you born/where did you grow up?
— Born in Hong Kong, grew up in New York.
Keep Your Cool: HVAC Contracts That Beat the Heat
by Contracts Team
Can Mohave help with HVAC maintenance during this summer’s heat wave? Yes, we’ve got you covered!
Mohave’s Job Order Contracting (JOC) HVAC contracts include preventative maintenance, scheduled service, and call-out repairs for both air conditioning and heating systems.
Wondering if preventative and repair services can be part of a JOC procurement?
Absolutely! These services are considered ancillary and are fully covered under our contracts. They’re priced using hourly labor rates and an approved price book for materials. Great for both newly installed systems and existing ones, these essential services help keep your facilities running smoothly, especially when temperatures rise.
Below are our current JOC contracts covering full preventative maintenance services, scheduled maintenance, and call-out and emergency repair services under their awarded Mohave contracts:
- HACI Service, LLC. – 24B-HACI-0905
- Pueblo Mechanical and Controls, LLC. – 24B-PMAC-0905
- Sun Mechanical Contracting, Inc. – 24B-SMC-0905
- TDIndustries, Inc. – 24B-TDI-0905
Questions? Need to know more?
Please reach out to the Contracts Team at contracts@mesc.org or (928) 753-6945 anytime.
Procurement You Can Defend. Results You Can Be Proud Of.
Helping Public Agencies Buy Smarter
by Administrative Team
Why Public Agencies Trust Mohave Cooperative
Unlike many other cooperative agencies, we don’t just award contracts and move on to the next solicitation. We remain your procurement partner by spot-checking every PO you send to us to ensure:
- ✅ Correct Pricing
- ✅ Contract Compliance
- ✅ Audit-Ready Documentation
On average, our process adds less than one business day but delivers lasting peace of mind, by saving your agency from costly errors, missed savings, and compliance issues.
How It Works*:
*Direct Online Order contracts follow a different process.
- You route your PO through us (as usual).
- We spot-check the pricing and terms.
- We give the vendor the green light to proceed – confidently.
Many other cooperative agencies skip this step. But at Mohave Cooperative, we know you are accountable for every dollar, and we are here to help you protect it. Because your budget, your board, and your community deserve transparency.
Stronger Oversight. Smarter Spending. Better Outcomes.
- Reduce risk during audits
- Ensure contract terms are honored
- Maximize your purchasing power
- Focus more on your end users, less on procurement issues
Want to learn more about how our PO review process works?
Email us at erin@mesc.org.