About Upgrade Resources

At Upgrade Resources, we go beyond recruiting — we build lasting partnerships. Our mission is to help businesses grow and professionals thrive through quality, integrity, and trust.

Our Story & Mission

At Upgrade Resources, we believe successful recruiting is about more than filling a role — it’s about creating lasting partnerships. Founded to solve the challenge of finding skilled talent in specialized industries, including Mechanical, Sales, Industrial, and Medical, our mission is to help businesses grow stronger and professionals achieve meaningful careers through quality, integrity, and partnership.

About the Founder

Karen Beltethon, the founder of Upgrade Resources, brings years of recruiting experience and a passion for people. She believes successful recruiting & executive placement is about more than filling a role — it’s about creating lasting partnerships that benefit both employers and professionals.

Meet Our Team

Isabella Engkilterra

Agency Director
With a natural gift for balancing people, processes, and precision, Isabella is the driving force behind Upgrade Resources’ day-to-day success. As Agency Director, she brings a wealth of knowledge to the behind-the-scenes operations—seamlessly juggling candidate relationships, outreach, and sourcing strategies. Her ability to uncover top talent and keep the gears turning ensures our clients and candidates alike receive nothing less than exceptional results.

Rhonda Grubbs

National Account Manager
Rhonda brings a dynamic blend of industry knowledge, relationship-building expertise, and results-driven focus to her role as National Account Manager. With a proven track record of managing large-scale accounts and delivering tailored workforce solutions, she ensures our clients receive unmatched service and long-term value.

Passionate about creating strong partnerships, Rhonda thrives on understanding client needs and aligning them with the right talent strategies. Her dedication, professionalism, and ability to foster trust make her an integral part of our team and a true advocate for client success.

Our Core Values

Quality

Delivering the highest standards in every placement.

Integrity

Transparent, honest, and ethical in all interactions.

Relationship-Driven

Building trust with employers and candidates alike.

Expertise

Deep knowledge of the industries we specialize in.

Our Process

Our proven process supports Mechanical, Sales, Industrial, and Medical recruiting — ensuring the right match every time.
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Discovery

Understanding your needs and goals.

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Sourcing

Finding the right talent through our network and tools.

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Vetting

Screening for skills, experience, and cultural fit.

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Placement

Matching the right talent with the right role.
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Follow-Up

Supporting success long after the hire.