John Koster - Email & Phone Number

Director of Marketing at Jr & Co

John Koster is based out of Kansas City, Missouri, United States and works at Jr & Co as Director of Marketing.

John Koster's Contact Information

John Koster's Work email

j*****@jrcou***.com

Valid

Latest update

October 27, 2025

Location

Kansas City, Missouri, United States

John's current employer

Jr & Co

Description

JR & Co. provides commercial roofing and repair service in the Siouxland area.

Website

jrroofinginc.com

HQ Location

Kansas City, Missouri, United States

Number of employees

201-500

Industry

Construction

Latest update

April 30, 2024

Read about Jr & Co

Frequent questions about John Koster

What company is John Koster working for?

John Koster works for Jr & Co.

What is John Koster's function at Jr & Co?

John Koster is Director of Marketing at Jr & Co.

Where is John Koster based?

John Koster is based out of Kansas City, Missouri, United States.

What is John Koster's work email address?

John Koster's professional email address is j*****@jrcou***.com

Who are John Koster's co-workers?

John Koster's colleagues are Diana Jones, Kristi Schuller, Jonathan Schilling, John Schuller, Samantha Kaiser, Nathan Stewart, Jacob Guhl, Jordan Johansen, Mike House, Mike Paterson, Ed Edgar, Enoch Nichols, Damen Runnels, Theresa Bruch, Jeremy Damgaard, Jenny Bowers, Trent Carter, Ryan Minnick, Theresa Ford, Scott Gill, Amy Holdman, Tim Howell, Noah Conway, Daniel Denno, Minh Dang, Brian Burke, TJ Stuebs, Abraham Nichols, Matt Schilling, Trevor Furay, Vincent Guagenti, Isaiah Nichols, Chris Jorgensen, Jeff McGinness, Andrew Kaiser.

John's co-workers

Diana Jones

Executive Assistant to Owner & CEO

Kristi Schuller

President

Jonathan Schilling

Chief Executive Officer

John Schuller

Vice President

Samantha Kaiser

Operations Coordinator & Client Care Coordinator

Nathan Stewart

Chief Strategy Officer (CSO)

Jacob Guhl

Purchasing Coordinator

Jordan Johansen

Project Coordinator

Mike House

Vice President of Private Sector

Mike Paterson

Vice President of General Construction

Ed Edgar

Director of IT

Enoch Nichols

Foreman - Lead Roofer

Damen Runnels

Director of General Construction

Theresa Bruch

Human Resource Director

Jeremy Damgaard

Director Of Business Development

Jenny Bowers

Director Of Business Development

Trent Carter

Director of Safety

Ryan Minnick

Director of Service Department

Theresa Ford

HR Director

Scott Gill

Director Of Business Development & Sales

Amy Holdman

Business Development Specialist

Service Foreman of Van 335

Minh Dang

Warehouse/Fleet/Equipment Manager

Brian Burke

Superintendent

TJ Stuebs

Commercial Sales/ Project Manager

Abraham Nichols

Operations Manager

Matt Schilling

Roofing Operations Manager

Trevor Furay

General Foreman

Vincent Guagenti

Business Development Management Specialist

Isaiah Nichols

Construction Superintendent

Chris Jorgensen

Construction Manager

Jeff McGinness

Business Development Manager

Andrew Kaiser

Project Control Specialist

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