Greenbrier’s leaders drive practices to serve our business, employees, customers, shareholders and the communities where we operate.
Our Leadership
Lorie L. Tekorius
Chief Executive Officer & President
Lorie Tekorius joined Greenbrier in 1995 and served in various finance and operation leadership roles until her promotion to Chief Executive Officer & President in 2022. She is an active community member, and is currently Immediate Past President of the Providence St. Vincent Medical Foundation Council of Trustees. Tekorius is a recognized industry leader, most notably as:
- An elected independent director of Alamo Group, Inc.’s (NYSE: ALG) Board of Directors
- The Manufacturing Institute’s STEP Ahead Award (2020)
- One of 14 “Women in Rail” profiled by Railway Age (2018)
- Oregon’s CFO of the Year by the Portland Business Journal (2017)
Brian J. Comstock
Executive Vice President & President, The Americas
Brian Comstock has been in the railroad industry since 1980 and joined Greenbrier in 1998. Before he moved into sales, Comstock experienced almost every aspect of the rail industry from the operations floor—including welding, paint and lining, valves, sand blasting and mobile repair. Today Comstock leads Greenbrier’s operations in The Americas, which includes the United States, Canada and Brazil. He previously held the role as the company’s Chief Commercial & Leasing Officer. He also serves on the boards of key company affiliates: Greenbrier GIMSA, Greenbrier Maxion, GBX Leasing and the Supervisory Board of Greenbrier Europe. Comstock previously held senior operations and sales positions with Transco Industries, Transco Railway Products and Trinity Industries. An active member of his community, Comstock volunteers with Habitat for Humanity, New Avenues for Youth and the Clackamas County Theater.
Michael Donfris
Senior Vice President, Chief Financial Officer
Joining Greenbrier in 2024, Michael Donfris brings nearly 40 years of experience in corporate accounting and finance, including almost a decade in the rail and rail supply industry. At R.J. Corman Railroad Group, he helped develop a multi-year strategic plan that included five railroad acquisitions. At Trinity Industries, Donfris led initiatives to increase cash flow and revenues as he helped the rail business develop its growth strategy and an improved capital structure.
William Glenn
Senior Vice President & President, Europe
William Glenn has been Senior Vice President & President, Europe since 2024. Prior to his current role, he served as the Chair of the Management Board of Greenbrier Europe and manages daily operations in Poland and Romania. He returned to the company in 2019 after serving as Chief Commercial Officer for Wells Fargo Rail from 2016 to 2019. Earlier he worked in a range of roles at Greenbrier including sales, marketing and customer support, beginning in 2001.
William Krueger
Senior Vice President, Chief Operations Officer, The Americas
William Krueger is Senior Vice President, Chief Operations Officer (COO) of The Americas. He joined Greenbrier in 2020 as chief representative of Greenbrier’s operations in Arkansas and Missouri, as well as supervision of the global design, engineering and quality departments, then became President of Greenbrier’s North American Manufacturing operations. Prior to Greenbrier, he held a number of operations roles in the automotive industry including positions at General Motors, Toyota and Nissan.
Greg Bretzing
Senior Vice President, Administration
Greg Bretzing joined Greenbrier in 2017 and currently leads Greenbrier’s global corporate security, environment, health and safety (EHS), and corporate risk. Prior to joining Greenbrier, Bretzing served as the Special Agent in Charge of the FBI’s Portland Division. During his 22-year FBI career, he served in numerous leadership positions at FBI Headquarters in Washington D.C, as well as in the field.
Brian Conn
Senior Managing Director Structured Financial Products
Brian Conn joined Greenbrier in 2009 and is responsible for managing the company’s capital markets activities including syndications, third-party institutional management and structured finance investments. He brings 40 years of experience in domestic and cross-border transportation, energy and structured finance transactions to his position at Greenbrier.
Laurie Dornan
Senior Vice President, Chief Human Resources Officer
Laurie Dornan was promoted to CHRO in November 2020. She joined Greenbrier in 2014 and served in several human resources leadership positions. Prior to Greenbrier, Dornan held HR leadership roles with Lattice Semiconductor Corporation, Nautilus, Inc. and Electro Scientific Industries.
Rick Galvan
Senior Vice President, Operations, Maintenance Services
Rick Galvan has 30 years in the railroad industry at three Class I railroads. Before joining Greenbrier, he was:
- Chief Mechanical Officer at Canadian National Railway (CN)
- General Manager of Mechanical International at Kansas City Southern (KCS)
- Held multiple positions at Burlington Northern Santa Fe (BNSF)
Jack Isselmann
Senior Vice President, External Affairs & Corporate Communications
Jack Isselmann joined Greenbrier in 2012 and manages government affairs, corporate communications and community and industry relations. Isselmann also serves on the board of Greenbrier GIMSA. His notable previous experience includes:
- Partner at the law firm, Tonkon Torp LLP
- State of Oregon’s economic development deputy director and policy advisor for Oregon Governor Ted Kulongoski
Christian Lucky
Senior Vice President, Chief Legal & Compliance Officer, Corporate Secretary
Christian Lucky joined Greenbrier in 2015 and serves as Senior Vice President, Chief Legal & Compliance Officer and Corporate Secretary. Prior to joining Greenbrier, Christian was a partner in law firms in the Pacific Northwest, New York and Europe. Christian has held leadership roles in several global public policy and research organizations.
Matthew J. Meyer
Senior Vice President, Finance & Chief Accounting Officer
Matthew Meyer joined Greenbrier in 2023. Before Greenbrier, he served in various accounting and management roles at Horizon Global Corporation, Joyson Safety Systems, Federal-Mogul Holdings Corporation, Kelly Services Inc. and KPMG LLP.
Brian Madison
Senior Vice President, North America Leasing & Fleet Management
Brian Madison joined Greenbrier in 2024 with multiple decades of experience in finance and six years of railcar leasing management. He currently oversees Greenbrier’s leasing and management services business. Prior to Greenbrier, Madison held several leadership positions with Acquis, Trinity Industries and KeyBank.
Justin M. Roberts
Vice President, Corporate Finance & Treasurer
Justin Roberts joined Greenbrier in 2006 and has been in his current role since 2017. Prior to joining Greenbrier, Roberts held various financial and treasury roles with Hollywood Entertainment and Crown Pacific Partners.
Tim Schitter
Senior Vice President, Sales & Marketing
Tim Schitter has been with Greenbrier since 2014, assuming the role of SVP Sales & Marketing in January 2024. He brings more than three decades of rail industry experience to his position. Prior to joining Greenbrier, Schitter served in Sales leadership roles at GE Capital Rail Services and Trinity Industries.