JANITORS SUPPLY - Key Persons


Craig Smith

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

David Tredrea

Job Titles:
  • Customer Service Representative

Edward Mascharka Sr. - Founder, President

Job Titles:
  • Founder
  • President
  • Director of Operations & Service / Warehouse
Edward oversees day-to-day warehouse operations and the equipment service department, ensuring on-time deliveries, accurate orders, and dependable repairs and PM programs. His focus on reliability and continuous improvement upholds JSC's service standards.

Greg Eggleston

Job Titles:
  • Director of Purchasing
Greg ensures the right products are in stock at the right time. He manages vendor relationships, negotiates contracts, and collaborates with sales and operations to maintain optimal inventory levels.

Irene Corso

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Jeff Heintz

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Jeff Scheloske

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Jen Crowers

Job Titles:
  • Director of Customer Service
Jen leads order processing, account management, and support for customers across the region, partnering with sales, operations, and service to resolve issues quickly and keep orders running smoothly.

John Karnes

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Kathleen Doherty

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Loralei Gallaher

Job Titles:
  • Marketing & Ecommerce Coordinator

Matt Mascharka - CFO, COO

Job Titles:
  • Chief Financial Officer
  • Chief Operating Officer
  • Generation Leader at JSC

Megan Fry

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Nick Hink

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Quick Ship

Job Titles:
  • Equipment

Riley Dunbar

Job Titles:
  • Director of Manufacturing / Quality & Process on - Time Production Safety & Precision

Steve Kiser

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Thomas Mascharka - VP of Sales

Job Titles:
  • Vice President of Sales
Tom leads JSC's sales organization with a focus on accelerating growth and expanding market reach. With over three decades of product expertise, he has strengthened industry partnerships, opened new customer channels, and led initiatives that have delivered sustained revenue growth.

Thomas Rosenthal

Job Titles:
  • Director of Marketing & Customer Success

Tom Katonka

Job Titles:
  • Member of the Erie Sales Team
  • Sales Representative

Vicki Learn

Job Titles:
  • Customer Service Representative
  • Member of the Erie Sales Team