The Wolf Pack

The industry leaders work here.

Details

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Leadership

President & Chief Executive Officer

Vice President

Fuel Operations Manager

Vice President - Sales & Marketing

Megan Oswald

Steve Kreuser

Chief Financial Officer

Environmental, Health, & Safety Officer

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Colette Troeller

Craig Wolf

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Holly Lemmer

Ethan Wolf

Director of Human Resources and Recruitment

Vice President - Operations

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Brad Gulbrandson

Lauren Leunig

Smiling middle-aged man with glasses, wearing a black polo shirt, against a gray background.
A smiling woman with glasses, wearing a black top and a beige blazer, against a gray background.

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Sales & Marketing

Senior Territory Sales Manager - Southeast Wisconsin

Territory Sales Manager - Southwest Wisconsin

Jake Hackbart smiling, wearing a black Nike E.H. Wolf jacket and a dark gray collared shirt. The background is dark gray.
A portrait of Kyle Heschke with short dark hair, a trimmed beard, and blue eyes, wearing a blue and beige collared shirt against a gray background.

Senior Territory Sales Manager - Northeast Wisconsin

Territory Sales Manager - West Central Wisconsin

CLS, OMA-1

OMA-1

A portrait of Merri Jo Monahan, a woman with blonde, shoulder-length hair, wearing gold hoop earrings, a gold necklace with a pendant, and a black top with cut-out details on the sleeves, posing against a gray background.
Portrait of Jeff Schulz, a middle-aged man with short, gray hair wearing a blue patterned button-up shirt against a plain gray background.

Merri Jo Monahan

Jeff Schulz

Fuel Sales Manager - Wisconsin

Territory Sales Manager - South Central Wisconsin

Gary Stewert

Cal Hopp

Senior Territory Sales Manager - Upper Michigan

Brand Manager - bp

A portrait of Macy Moldenhauer, she is smiling with blonde, wavy hair, wearing a black blazer over a white top, against a gray background.
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Macy Moldenhauer

Ruby Clark

Inside Sales Representative

Sales Administrator

Brenda Ehrlich

Samuel Will

Marketing Manager

Marketing Coordinator - Digital

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Portrait of Charlie Braam, a middle-aged man with short light brown hair, wearing a navy zip-up vest against a gray background.

Bob Hartwig

Charlie Braam

Kyle Heschke

Jake Hackbart

A portrait of Cal Hopp, a middle-aged man with gray hair and a beard, wearing a black striped button-up shirt, against a dark gray background.
A portrait of Gary Stewert, a middle-aged man with short, gray hair, wearing a black Under Armour jacket over a red shirt, standing against a plain gray background.
A portrait of Samuel Will, a young man with light skin, short brown hair, and blue eyes smiling, wearing a black and white checkered button-up shirt, posed against a plain gray background.
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Finance & Accounting

Accounts Payable

Staff Accountant

A portrait of Becca Krueger. A woman with red hair, glasses, and a white top, smiling against a gray background.
A portrait of Emily Guild. A headshot of a woman with long brown hair, smiling, wearing a black top with a gold zipper, against a gray background.

Customer Service & Billing

Customer Service & Billing

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Digital illustration of a woman with long dark hair, wearing a white shirt and yellow cardigan, against a blue background.

Linnette Herther

Stephanie Stein

Credit Specialist

Accounts Receivable Specialist

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Stephanie Waterman

Accounts Receivable Specialist

A portrait of Samantha Oswald. A woman with long light brown hair, wearing glasses with a tortoise shell pattern, a nose ring, a black shirt, and a rust-colored cardigan, smiling against a gray background.
A portrait of Rachel Wolf. Smiling middle-aged woman with shoulder-length brown hair, wearing a blue textured jacket with silver buttons, posed against a gray background.

Samantha Oswald

Rachel Wolf

Emily Guid

Becca Krueger

Operations

Lubricants Operations Manager

Equipment Manager

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Illustration of a man with black hair, wearing a yellow suit jacket, white shirt, and red tie, against a blue background.

Staff Accountant

Head Mechanic

A portrait of Joe Brennan. A smiling middle-aged man with short blond hair, glasses, wearing a blue polo shirt with a logo that reads "WOLF Fuels & Lubricants" in white text.
A portrait of Eric Dudley. A man with short dark hair, fair skin, and blue eyes, wearing a black polo shirt with a logo for fuels, lubricants, and DEF, against a gray background.

Joe Brennan

Eric Dudley

Dispatcher

Facility Coordinator & Customer Service

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Stacy Mann

Dispatcher Support Specialist

A portrait of Robert Troeller. A middle-aged man with short gray hair wearing a blue work shirt with logos, posing against a gray background.

Robert Troeller

Mandi Frisque

Dave Kletti

Steven Hoeft

Safety

A portrait of Brennan Schellpfeffer. A man with a beard, wearing a black collared shirt with a name tag that says "Brennan" and a company patch.

Brennan Schellpfeffer

Transportation Safety & Compliance Specialist