Management Team

Dennis Pegden picture

C. Dennis Pegden, PhD. - Chief Executive Officer
Dennis Pegden was the founder and CEO of Systems Modeling Corporation, later purchased by Rockwell Automation. He has held faculty positions at the University of Alabama in Huntsville and The Pennsylvania State University. He led in the development of the SLAM, SIMAN, Arena, and Simio simulation tools. He has co-authored three simulation textbooks and has published papers in a number of fields including mathematical programming, queuing, computer arithmetic, scheduling, and simulation. Dennis is responsible for day-to-day operations.

David Sturrock picture

David Sturrock -Vice-President of Operations
David Sturrock is responsible for design, development, support, and services for Simio simulation and scheduling products. He has held similar positions at Systems Modeling, Rockwell Automation, and Inland Steel. He has extensive experience in product development, product management, working with customers, and interacting with business partners as well as experience applying simulation and scheduling in a wide variety of applications. He has a proven record of making market successes.

Shelly Barber –Business and Finance Director
Shelly is responsible for financial planning, accounting and contracts for Simio LLC. Before joining Simio, she held the position of Controller at FoodMinds, a consulting firm based out of Chicago, IL. Prior, she served as a Consultant for a Professional Services firm, providing consulting services to small and mid-sized firms in a broad range of industries. Her expertise covers a range of industries including software, public accounting, eTrade, health and nutrition, health care, graphic design, non-profit, oil and gas, textile production, and entertainment.


Rich Ritchie picture

Rich Ritchie -Vice President of Sales
Rich Ritchie is responsible for enterprise sales of the Simio scheduling application. Rich has held a variety of positions in sales and sales management. He specializes in developing mutually beneficial relationships with Fortune 1,000 customers. Rich was formerly CEO of Interim Sales Management Services; an interim sales management practice specializing in improving sales performance.

Eric Howard picture

Eric Howard -Vice President of Marketing
Eric Howard is is responsible for the marketing activities for Simio LLC. Before joining Simio, he oversaw global marketing for several corporations.  He acquired his MBA from the University of Pittsburgh, Katz Graduate School of Business and is certified in Google AdWords and Google Analytics.  His expertise covers a range of marketing activities including digital marketing, social media marketing, brand management, and event planning.