---
title: View the STH Team and Their Contact Information
description: Information about the staff of STH Inc.
---

# Team

## Executive Team

- **Gareth Koogle** *President* 240-394-3076
- **Jeff Russell** *Executive Vice President* 240-394-3071
- **JD Slough** *Chief Financial Officer* 240-394-3072
- **Ciji Masser** *Operations Manager* 240-394-3073
- **Bill Wendorf** *Service General Manager* 240-394-3092
- **Garrett Working** *Senior Human Resources Manager* 240-772-3988

## Finance Team: [301-517-6699](tel:301-517-6699)

### [Accounting@sthinc.com](mailto:Accounting@sthinc.com)

- **JD Slough** *Chief Financial Officer* 240-394-3072
- **Shelley Czach** *Accounting Administrator* 240-397-7052
- **Sean Barrick** *Accounting Assistant* 240-397-7062

## NetSuite Team [240-394-3081](tel:301-517-6699)

### [netsuite@sthinc.com](mailto:Accounting@sthinc.com)

- **Avery Trent** *NetSuite Administrator* 240-394-3081
- **Matt Calogero** *Netsuite Administrator* 240-772-3989

## IT Team [240-394-3074](tel:301-517-6699)

### [itsupport@sthinc.com](mailto:Accounting@sthinc.com)

- **Randy Reaver** *Operations/IT Support* 240-394-3074

## Marketing Team: [240-556-6427](tel:240-556-6427)

### [marketing@sthinc.com](mailto:marketing@sthinc.com)

- **Robin Dunn** *Marketing Specialist* 240-556-6427

## Human Resources [240-772-3988](tel:240-772-3988)

### [hr@sthinc.com](mailto:hr@sthinc.com)

- **Garrett Working** *Sr. Human Resources Manager* 240-772-3988

## Service Team: [301-517-6880](tel:301-517-6880)

### [STHservice@sthinc.com](mailto:STHservice@sthinc.com)

- **Bill Wendorf** *Service General Manager* 240-394-3092
- **Lindsay Phillips** *Service Administrator* 240-394-3082
- **Danielle Lewis** *Service Administrator* 240-394-3085
- **Renee Wickham ***Startup/Shop Administrative Coordinator* 240-394-3077
- **Mike Lewandowski ** *Service Coordinator* 240-397-7763
- **Kayla Morgan** *Preventative Maintenance Coordinator* 240-772-9761

## Equipment StartUp Team: [301-517-6811](tel:301-517-6811)

### [StartupRequest@sthinc.com](mailto:StartupRequest@sthinc.com)

- **Cory Lewis** *Service Tech Manager/Startup/Commissioning Representative* 240-394-4410

## Parts Team: [301-517-6772](tel:301-517-6772)

### [PartsTeam@sthinc.com](mailto:PartsTeam@sthinc.com)

- **Cameron Harley** *Inventory Control Specialist* 240-620-6887
- **Merhl Wiles** *Fabrication/Technician* 240-394-4459

## Aftermarket Team: [301-517-6772](tel:301-517-6772)

### [AftermarketSales@sthinc.com](mailto:AftermarketSales@sthinc.com)

- **Evan Anderson** *Commercial Aftermarket Construction Sales Manager* 240-457-0317
- **Kelli Swift** *Account Representative* 240-394-3078
- **Brandon Tyler** *Account Representative* 301-525-9455
- **Joseph Enzler** *Account Representative* 301-378-2873
- **Chad Brashears** *Account Representative* 240-660-5747
- **Jim Spedden** *NC AM Fire Sales* *Rep* 240-556-6557
- **Mark Barrick** *Account Representative* 240-394-3090
- **Kyle Grove** *Account Representative* 240-772-3913

## Commercial Team: [301-517-6633](tel:301-517-6633)

### [Quotes@sthinc.com](mailto:Quotes@sthinc.com)

- **Mark Smullen** *Engineering Account Representative Commercial & Fire*  240-394-3070
- **Candice Harp** *Lead Project Manager* 240-394-3088
- **Brittney Stevenson** *Assistant Project Manager* 240-557-3083
- **Mike Elicker** *Procurement Coordinator* 240-394-3083
- **Marlena Schweikart** *Admin*/*Pre-Construction Assistant* 301-732-6094

## Municipal and Industrial Team [301-517-6688](tel:301-517-6688)

### [Municipal@sthinc.com](mailto:Municipal@sthinc.com)

- **Zac Chillemi** *Municipal/Industrial Sales Manager* 301-370-3946
- **Wayne Emerick** *Account Representative* 240-394-3091
- **Rob Hayden** *Account Representative* 301-378-2874
- **Cameron Hallock** *Account Representative* 240-772-9547
- **Carroll Holmes** *Engineering Sales Manager * 240-394-3087
- **Scot Stewart** *New Construction Sales Rep * 240-394-3086
- **Les Prandi** *Account Representative * 240-394-4449

## Estimating Team [301-517-6772](tel:301-517-6772)

### [estimating@sthinc.com](mailto:estimating@sthinc.com)

- **Matt Wagner** *Chief Estimator* 240-394-3094
- **Ben Carmack** *Inside Engineering Rep* 240-394-3084
- **Luis Zuniga** *Jr Estimator* 240-831-4732
- **Nathan Albaugh** *Sr Estimator* 240-772-9762
- **Steve Canning** *Sr Estimator* 240-394-3080
- **Sean Boldt** *Sr Estimator* 240-394-3079
- **Christi Morris** *Jr Estimator* 240-690-6843