Meet Our Executive Team

JENNMAR's leadership team continues to shape our future with a vast range of knowledge, expertise and experience because nothing is more important than the quality of our products and the safety of those who use them. Our leaders come from a wide range of cultural, professional and geographical backgrounds with diverse knowledge who foster and value the close long-term customer relationships by committing to them that our products will embody SAFETY, SERVICE, and INNOVATION.

Tony Calandra; Group President 
Karl A. (Tony) Calandra, is Group President of Frank Calandra Inc. and Calandra Group, LLC.  The group of companies include JENNMAR, JLOK, JENNCHEM, JM Steel, JENNMAR Civil, JM Conveyors, JM Sanshell, JENNMAR Specialty, JM McSweeney, Tungstemet, JENNMAR Construction Tools and JENNMAR Services. Tony has 17 years in the industry and joined the group of companies in 2002. Prior to joining FCI/Calandra Group, he was a Senior Accountant at Ernst & Young.  Tony graduated from Bucknell University and received his MBA from Waynesburg College in 2009.

Tony is on the board of National Mining Association and PENNSYLVANIA Coal Association. He is also on the board of Rocbolt Technologies South Africa, Rocbolt Technologies Jining, and Rocbolt Resins Australia.  He is also Chairman of the Board of JENNMAR Australia.  

Michael Calandra; Executive Vice President
Michael Calandra is Executive Vice President of Frank Calandra Inc, and its subsidiaries. He is also President of Marjenn Trucking. He sits on the Board of Directors for Frank Calandra, Inc., JENNMAR, JENNCHEM and JENNMAR Australia. Michael graduated from St. Francis University in 1984 with a BS in Business. 

Paul Calandra; Vice President
Paul Calandra is Vice President of Frank Calandra, Inc.  Paul earned his degree in Business Administration with a minor in Economics, in 1980. Completed additional certificate training in business management and human resources through Bill Nelson and Associates in 1982. Paul's Professional Affiliations include: the Institute of Scrap Recycling Industries, Inc.; the Regional Bank Board of 1st Summit Bank; Vice President of Cambria Alliance Emergency Medical Services; President of Sunnehanna Country Club; Member of Sunnehanna Amateur Committee; served several terms as Board of Director at Summit Country Club; member of the Board of Directors CIS Laurel Highlands 2001-09 (Board Chair 2008-09) member of the Board of Trustees of Mount Aloysius College 1984-1993 and again in 2013 to present. 

Robert Wise; COO
Robert Wise is the Chief Operating Officer for JENNMAR. He joined the JENNMAR team in 2012 and is responsible for all US JENNMAR manufacturing plants. He has a total of 37 years experience in the mining, civil and manufacturing industries and graduated from Pennsylvania State University with a BS in Mining Engineering in May 1981.

Tim Maziarz; CFO
Tim Maziarz, Chief Financial Officer, joined FCI Group in August of 2004. Prior to joining the FCI Group, he worked for Ernst & Young LLP in Pittsburgh from 1995 to 2004, and served as a Senior Manager on various middle market and multinational clients in the manufacturing and construction industries. Tim graduated from Penn State University with a B.S. in Accounting, is a Certified Public Accountant and a member of the Pennsylvania Institute of Certified Public Accountants.

Rodney Poland; Vice President Sales and Technical Resources
Rodney , Vice President Sales and Technical Resources is responsible for US sales, budgeting, sales forecasting, and coordinating underground mine technical services. He joined JENNMAR in 2000, initially as a Sales Engineer, and then was promoted to Regional Technical Sales Manager. Prior to JENNMAR, Rodney held various positions within Consolidated Coal Company from 1981 – 1997. Rodney earned a BS in Mechanical Engineering in from West Virginia University and a MBA from Waynesburg College.

Rodney is on the Board of Directors for West Virginia Coal Association, West Virginia Coal Mining Institute, and Christian Help, Inc.

Joe Piazza Jr.; Vice President Purchasing
Joe Piazza Jr. is Vice President of Purchasing for Frank Calandra, Inc. Joe joined JENNMAR over 9 years ago. He served in the role of Director of Purchasing/Sales Manager in Cleveland for 5 years, for our affiliate company JM Steel. Joe relocated to the corporate office 2 years ago for his most recent role as Assistant Vice President of Purchasing.

Over these past years he has built and maintained close relationships with several steel mill suppliers and will continue to grow steel supplies and opportunities. Joe received his Finance degree with a minor in Accounting from Bowling Green State University.

Renee Radvansky; Corporate Human Resources Director
Renee Radvansky is the Corporate HR Director for Frank Calandra Inc. and Subsidiaries, managing the Human Resources and domestic Payroll departments. A graduate of MSB Business School in Pittsburgh, she worked for several organizations owned by the Rangos family before being hired by Frank Calandra Inc. in 1985. During her tenure with the Company and while moving through the ranks, she has worked closely with the Calandra family, finance, engineering and operations departments before transferring to Human Resources in 2008. She assumed the Director position in January 2018.

James Pfeifer; General Counsel
James Pfeifer is the General Counsel of Frank Calandra, Inc. and its subsidiaries.  James joined FCI in 2014. He is responsible for the companies’ day-to-day legal matters, manages the companies’ intellectual property portfolio, and oversees all M&A activity.  He received a bachelor’s degree from Indiana University and a JD from the University Of Pittsburgh School Of Law.  Before joining FCI, he worked as a litigation associate at McGuireWoods, LLP and Pepper Hamilton, LLP. 

Benjamin Mirabile; President Keystone Mining Services
Benjamin is President of KMS (Keystone Mining Services), an affiliate of JENNMAR Corporation. Ben started his mining career in 1997 at CONSOL Energy’s Central Appalachian operation, Buchanan Mine.  Ben began an internship with JENNMAR in the summer of 2000. Ben completed his Bachelor of Science degree in Mining Engineering at West Virginia University in 2001 and a Master of Science degree with focus on rock mechanics and ground control in 2003. Ben started full-time employment with JENNMAR as a sales engineer in 2004.  Ben is currently working on completing his PHD from Virginia Tech, and will complete summer of 2019. Ben has authored 11 research papers on rock mechanics and ground control in mining, on subjects including, Secondary support application, Innovative cable bolt applications, Tensioned cables for primary and supplemental roof support, Numerical modeling of secondary supports, and Geologic mapping based on roof bolter drilling parameters. Along with the research papers, Ben has extensive and complex field experience for Longwall Ground Support.  Ben was inducted into Careers in Coal, 2013. Ben is a member of The Society for Mining, Metallurgy, and Exploration (SME), West Virginia Coal Association and West Virginia Coal Mining Institute. 


Frank Calandra;
Chairman of the Board

Frank Calandra Jr joined the FCI Group in 1965, and changed FCI’s primary focus to the manufacturing of ground control products with its affiliate Jennmar.

Frank has been in the mining industry for over 50 years.

Calandra is a board member of the National Mining Association and served as Chairman of the Technical Committee for Roof Bolt Specifications for the National Coal Association. Calandra is also a board member of the National Coal Council, CEED and member of the Pennsylvania, Kentucky, West Virginia, and Virginia Coal Associations.

Prior to joining FCI, Calandra was a Senior Accountant for Ernst & Young in Pittsburgh from 1960 to 1963 where he worked on the accounts of a number of major coal and steel companies. From 1963-1965, while with Main & LaFrentz in Los Angeles, California, Calandra worked with major construction companies, metal mines, and mortgage service companies.

Calandra attended Carnegie Mellon, where he majored in Metallurgy, and received a B.S. in Accounting from St. Francis College.

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