Management Team

The Team Leading Simio's Talented Staff

Dennis Pegden

C. Dennis Pegden, PhD.

CEO, Founder

Dennis 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.

Howard Coltin

Howard Coltin

Chief Revenue Officer

Howard is responsible for accelerating Simio's worldwide revenue growth, while building awareness of the company's game changing portfolio of Industry 4.0 simulation and scheduling products. He brings to Simio over two decades of experience in management, sales, marketing, operations, and manufacturing. Howard joins the company from Ansys, Inc., where he held senior leadership roles in sales and operations over his 11-year tenure. Prior to Ansys, he built an impressive track record of growing emerging software technology companies from the ground up. Howard holds a B.S. in Electrical & Computer Engineering from Northeastern University.

Gerrit Zaayman

Gerrit Zaayman

VP Manufacturing Digital Twin Solution

Gerrit completed his Bachelor’s degree in Electronic Engineering. He then went on to specialize in process and workflow simulation and completed advanced courses in process simulation, business process reengineering and artificial intelligence. As part of this process he helped to establishing the leading process, supply chain and workflow simulation business in South Africa providing the Siman and later the Arena simulation systems to the market. He then joined i2 Technologies where he later became the country manager for South Africa. There he was responsible for sales and delivery of i2’s leading supply chain planning and optimization software to large enterprises gaining experience in planning and optimisation from the strategic design level down to detail scheduling. Gerrit also spent time at Softeon, a provider of warehouse management and optimization systems, as director of sales and marketing where he gained valuable experience in the planning and optimization of warehouse operations. Most recently, Gerrit spent three years as Director scheduling solutions at Simio LLC.

Shelly Barber

Shelly Barber

VP Administration and Finance

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.

Eric Howard

Eric Howard

VP Marketing

Eric is an experienced business development expert and executive marketing strategist serving as the Vice President of Marketing at Simio LLC. His responsibilities include developing digital marketing strategies and programs to drive customer acquisition and improving brand awareness. He also oversees all aspects of marketing and launched Simio Sync in 2017. He brings over 15 years working at senior marketing roles across multinational enterprises including senior marketing roles at Fortune 1000 enterprises such as General Nutrition Centers, Inc (GNC). Eric joined Simio LLC as the Director of Marketing and continues to serve as the Vice President of Marketing since 2016. His strategic digital marketing contributions have solidified Simio’s role as a leading provider of simulation modeling, scheduling, and digital twin products. Eric holds certifications in multiple digital and marketing automation applications, including Google Analytics and Adobe Marketo and has an MBA from the University of Pittsburgh.

Renee Thiesing

Renee Thiesing

VP Products

As the VP of Products, Renee is responsible for the design, development, support and training of the Simio products. Renee is also responsible for establishing and managing strategic technology partnerships globally. She has been working with Simio for over a decade and has provided consulting services and training to Simio customers in the fields of healthcare, logistics, supply chain, manufacturing, food production and aerospace. Renee has a BS and MS of Industrial Engineering from the University Of Michigan and Auburn University.

Tony Innamorato

Tony Innamorato

VP Customer Solutions

Tony is responsible for delivering successful scheduling and simulation solutions that maximize the value of Simio for our customers. He manages all of our client facing projects as well as relationships with key project stakeholders. Prior to Simio he was an engagement manager at McKinsey and spent 5 years in Navy Special Operations. He received his MBA from Wharton.

Chris Hobson

Chris Hobson

VP Strategy and Corporate Development

Chris heads Simio’s corporate strategy team and leads business development efforts. A McKinsey alum with extensive experience supporting Fortune 500 clients drive global scale digital transformation with a focus on operations excellence. Chris is passionate about AI/ML innovation and has spent his career deploying cutting edge technology at scale to transform the way companies operate. Chris has a Ph.D in Biomedical Engineering from the University of Pittsburgh.

Cory Crooks

Cory Crooks

VP Software Architecture

Cory is responsible for devising long term design and development plans for Simio's Digital Twin software and its diverse range of Simulation and Scheduling products. His responsibilities also include analyzing software problems to discover root causes and providing solutions for them. He brings approximately two decades of experience building and troubleshooting simulation and automation software products to the table. His experiences include a 6-year stint at Rockwell Automation and 11 years as a senior software engineer at Simio solving the technical challenges users encounter using Simulation and Scheduling software. He joined Simio as a software engineer in 2008 and grew to become an integral part of the software development team over the years. Cory has a B. S. in Computer Science from the University of Pittsburgh.