Leadership Team

Dr. Calegari serves as Chairman of the Board, President & CEO of MERMEC Inc. Dr. Calegari in previous executive tenures was Director and Site Manager with PamAm World Services; Director and General Manager with Johnson Controls FMS Inc.; President & CEO Union Switch & Signal (US&S) lately named Ansaldo STS; President Siemens Building Automation-Security; President and CEO, Expert System USA Inc., President & CEO Alenia North America Inc.

Dr. Calegari throughout his career brought the vision and reliable tools to initiate the needed changes and achieve the necessary consensus in reaching mission-critical objectives.

Dr. Calegari received the Businessman of the Year Award by American Solutions for Winning the Future. He was named Pacesetter of the Year by Smart Business magazine.

Dr. Calegari was early educated by the Jesuits, received a Doctoral Degree in Arts and Science from the University of Study of Rome International Program and a Ph.D. equivalency from Harvard University.

At Harvard University, Dr. Calegari also completed the International Business Management program for executive education.

Mr. Morris leads MERMEC Inc. Technology group, overseeing a commercial portfolio of more than 60 different inspection technologies all focused on creating a safer and more efficient rail network.

As a dynamic technology leader with over 10 years’ experience, Mr. Morris is responsible for both the development and execution of MERMEC’s strategic technology initiatives as well as the leadership of MERMEC’s North American technology resources. He attended Loughborough University where he studied Mathematics with Computing as an undergraduate, followed by graduate research in Computer Science (Multimodal Data Fusion) at Loughborough Universities Research School of Informatics.

Mr. Mirretti is the Vice President Quality Management System- ISO and Technical Services in MERMEC Inc. In his role Mr. Mirretti, defines program goals and activities, manages risks and opportunities and achievement of program milestones. Works cross functionally to build relationships with customers, and internal and external suppliers.

During his previous tenure as the Managing Director at the Chicago Infrastructure Trust he was responsible for the oversight of $2 billion in infrastructure programs with a focus in Real Estate Development, Telecommunication, Energy and Transportation.

Specifically, he led negotiation and closing on a $32.5 million contract between the Chicago Transit Authority and four major wireless carriers to fully finance and build 4G system in the subway and tunnel system.

Mr. Mirretti, is a Certified Public Accountant, holds a Bachelor of Science in Education from Northern Illinois University as well as a Master of Business Administration in Operations Management and Entrepreneurship, and is a Certified Scrum Product Owner.

Mr. Kevin D. Oliver, PMP is the Vice President Automated Track Inspection Program - ATIP. In this critical executive role Mr. Oliver is responsible to define and execute MERMEC Inc. strategic program and business initiatives applied to this very important safety program carried out under the direction of the Federal railroad Administration (FRA).

Since December 2020 Mr. Oliver was responsible for the strategic direction of the diagnostic technologies applied to the Steel Sector a fast-growing market in the company’s portfolio.

Mr. Oliver came to MERMEC following an accomplished career serving for 12 years in the US Army as a UH60 Pilot in Command and earlier as a Maintenance Supervisor. During his military’s service Mr. Oliver was deployed in mission critical operations in various theaters. During his military service he was the recipient of numerous recognitions and commendations to include the Presidential Unit Citation. The Iraq Campaign Medal, and the Army Global War on Terrorism Service Medal. Mr. Oliver was honorably discharged from the US Army. Following his honorable discharge from the US Army, Mr. Oliver served a Project Manager and Director of Training with Insitu Inc., a technology company serving the US Department of Defense.

Mr. Oliver hold a bachelor’s degree in Business Administration and Management from the Columbia College, SC; and a Master of Business Administration – Project Management from Purdue University.

Mr. Oliver is a certified PMP from the Project Management Institute. Mr. Oliver lives in Columbia, SC with his wife Stephanie and three children Meagan, Malakai, and Nathaniel.

Mr. Timothy M. Collins is the Vice President of Business Development and Sales. In this critical executive role, Mr. Collins is responsible for defining and executing MERMEC’s strategic business development initiatives while developing new business opportunities and creating customized solutions to attain desired outcomes for existing and future customers.

Mr. Collins started his career working for large multinational consumer product companies like Hanes Corporation, Warner Lambert, Bosch and Masco, calling on large retailers in the US and Canada. Almost 20 years ago he made a pivot to Transportation Technology where he subsequently has represented some of the leaders of their respective categories such as Cubic Transportation (Fare Collection), Clever Devices (Bus and Rail ITS Products and Systems), Union Switch & Signal Inc, Ansaldo STS USA Inc. lately Hitachi Rail (Signaling, Wayside Products, Dispatch Systems and PTC Tech) and Wi-Tronix (Locomotive Technology) working with Transit Agencies in US and Canada in addition to working with all the Class 1 Railroads. His most recent post was as VP of Business Development at UZURV working with Transit Agencies to enhance Paratransit Services.

Mr. Collins holds an MBA in Business Administration from Loyola University Chicago and an undergraduate degree from Bradley University Peoria, IL. Mr. Collins lives in Glenview, IL a suburb of Chicago with his wife Mary and is father to three children.

William (Bill) Cegelis is the Vice President of Quality Management Systems – ISO and Technical Services. In this functions, Mr. Cegelis is responsible for the company’s Quality Management Program - ISO9001:2015 certification and the Technical Services department. Under his leadership technical personnel are held to the highest standard of quality performance to be fully compliant to MMI and Customer’s expectations.

Early in his career he was a member of the technical team of ImageMap, a company lately acquired by MERMEC Inc. Throughout his 19 years of experience in the industry, Mr. Cegelis prides himself on the relationships he has developed with all the Customers. In a previous role with Cisco Systems, Mr. Cegelis established the Technical Service Support Center for long haul fiber optic communications. Professionally, he has been recognized for his commitment to safety, continuous improvement and providing excellent customer service to MERMEC’s customers. Mr. Cegelis attended the University of South Carolina Aiken studying Math and Computer Science.

He served five years in the United States Coast Guard as an Aviation Electronics Technician.

Lara Stevens is the Human Resources Manager for MERMEC Inc.

Ms. Stevens leads the recruiting and retention efforts for the company. Ms. Stevens is coordinating all HR initiatives the company is undertaking in the areas of process improvement, merit-based evaluation and compensation. In her recruiting efforts, Ms. Stevens is liaising with local and regional schools, and universities. Valuing the skills often found in veterans, she is directing the initiative to recruit qualified veterans by establishing strong relationships with local military bases.

Additionally, Ms. Stevens provided administrative support to the company’s Executive Team. She received her Paralegal Certificate from the University of South Carolina, and she is currently working toward her SHRM credentials and certification.