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Our Team

Robert Slagel

President & CEO
You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies,...

Megan Coffey

Executive Assistant
You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies,...

Mark Fields

Vice President of Marketing & Sales

Mark Fields joined in March of 2015 and has used his extensive knowledge of manufacturing and work processes throughout his career.

Matthew Vonderheide

Director, Research, & Development

Matt Vonderheide is responsible for the selling of modular labs, hazmat storage, battery storage, custom boxes, and tank boxes.

Shane Meadows

Sales Associate

Shane Meadows performs sales for both entities, DropBox Inc. and Modular Security Systems, Inc. He is also responsible for performing procurement site monitoring for active...

KJ Williams

Sr. National Account Manager

You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies,...

Miles Duncil II

Marketing SEO/SEM

Miles Duncil II performs a wide array of marketing functions for Portable Solutions Group. This includes graphic design, website development, search engine optimization, social...

Katherine Roach

Marketing Manager

Katherine Roach is the newest member of the marketing team and her role involves maintaining DropBox Inc.'s website, social media accounts, etc.

Joe Dougherty

Chief Financial Officer

Joe's talent for the selection and development of the management team and solid financial background drive results and help grow the business.

Kelli Dufore

Accounting Director & Human Resources

Kelli Dufore is responsible for the planning, implementing, and evaluating of employee relations and human resources policies.

Natalie Erlenwein

Financial Controller

Natalie Erlenwein oversees accounting operations, which includes forecasting and maintaining the company's cash flow, building job profitability reports, and compiling financial...

Jan Boyle

Accounts Payable

Jan Boyle is responsible for making sure that all third party vendors are paid what is owed to them by our family of companies, reconciling credit card statements, and paying...

Donna Vanover-McGlothlin

Accounts Receivable & Payroll Administrator

Donna Vanover-McGlothlin is responsible for administering payroll on a weekly basis for the Portable Solutions Manufacturing hourly personnel.

Ronnie Kearns

Head of Manufacturing & Procurement

Ronnie Kearns leads the manufacturing operations and delivery of each build while standards and objectives are being met.

Brian Dufore

Manufacturing Floor Manager

Brian Dufore oversees every project that is on the manufacturing floor to ensure that they are properly built before shipping.

Tim Hopkins

Quality Manager

Tim Hopkins is responsible for developing, documenting, and improving the processes that make up our Customer Satisfaction System.

Annette Hughes

Invoicing & Rental Fleet Administrator

Annette Hughes completes invoices for all modular units sold and rented, as well as tracks and manages all rental fleet activity, including AR and deposits.

John Sturm

Vice President - Engineering, Design, & Risk Management

You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies, and job responsibility. You can add about your experience, hobbies,...