ALTER TRADING - Key Persons


Aaron Shuneson

Job Titles:
  • Facility Manager

Adam Gahr

Job Titles:
  • Facility Manager

Adam Rauth

Job Titles:
  • Facility Manager

Al Madsen

Job Titles:
  • Facility Manager

Andy Polhamus

Job Titles:
  • Facility Manager

Bob Welsh

Job Titles:
  • Facility Manager

Brian Rains

Job Titles:
  • Facility Manager

Bridget Dahm

Job Titles:
  • Facility Manager

Chad Chapman

Job Titles:
  • Facility Manager

Clinton Ach

Job Titles:
  • Facility Manager

Damon Hassell

Job Titles:
  • Facility Manager

David Klein

Job Titles:
  • Senior Vice President of Non - Ferrous Marketing & Trading
David Klein joined Alter Trading in 2004 as a Non-Ferrous Trader responsible for various sales and purchasing duties as well as overseeing physical and terminal market positions. In July 2012, David was promoted to the position of Director of Non-Ferrous Marketing and in 2014 was named Vice President Non-Ferrous Marketing and Trading. David assumed responsibility for all Non-Ferrous Marketing for the Company in 2016. Prior to joining Alter Trading, David worked as an Aluminum Trader specializing in importing secondary aluminum ingot and scrap. David has a BA degree from the University of Missouri-Columbia and a Master of Business Administration from Lindenwood University, St. Charles, MO.

Don H. Martin

Job Titles:
  • Senior Vice President of Ferrous Marketing & Trading
Don Martin has been Senior Vice President of Ferrous Marketing and Trading since 1997, and has the overall responsibility for the ferrous commercial activity and direction. Prior to Alter, Don was employed by Luria Brothers for 18 years (a nationwide scrap brokerage and processor) and held various managerial responsibilities in the areas of Trading, International Sales, Mill-Service, Financial, and Operations. Don also was employed five years for the Goodyear Tire and Rubber Company as an International Financial Analysis and Internal Auditor. He is a Certified Public Accountant with an undergraduate degree in accounting from the University of Toledo in Toledo, OH.

Doug Reisdorfer

Job Titles:
  • Facility Manager

Dustin DeWald

Job Titles:
  • Facility Manager

Greg Meyer

Job Titles:
  • Facility Manager

Jack Grundfest - President

Job Titles:
  • President
Jack Grundfest joined Alter Trading in August 2018, through the acquisition of TRG (Tenenbaum Recycling Group) where he had been President and Chief Executive Officer for 13 years. At Alter, Jack first served as Sr. Vice President and Chief Administrative Officer. Effective June 1, 2021, Jack became President. Jack has been involved in many industry efforts including scrap theft legislation. Prior to joining TRG, Jack was Managing Director and CEO of the Mitchell, Williams Law Firm in Little Rock, Arkansas. Jack has over 30 years of experience in management, business transactions and law. Jack earned his B.A. from University of Arkansas, his J.D. from the Bowen School of Law at the University of Arkansas at Little Rock, and his LL.M. in Taxation at the University of Denver School of Law. Jack has been an active member of the business and civic communities in Arkansas having served on the boards of many for profit and nonprofit entities.

Jason Schulz

Job Titles:
  • Facility Manager

Jay Robinovitz

Job Titles:
  • Chief Executive Officer / Member of Alter Trading Board of Directors
  • Senior Vice President and Chief Officer of Operations
Jay Robinovitz joined Alter Trading in September 2009 as Senior Vice President and Chief Officer of Operations. He was promoted to President and Chief Operating Officer in 2012; and on January 1, 2018, became President and Chief Executive Officer. On June 1, 2021, Jay divided his role and Jack Grundfest was named president. Jay has over 35 years of experience in the metal recycling industry. Prior to joining Alter, Jay was employed by Schnitzer Steel Industries where he held various senior management positions including Vice President of Business Development and Major Capital Investments, VP and COO of the Auto Parts Division, and VP of Northwest Operations. Prior to that Jay was General Manager, Ferrous Division with Aerospace Metals, Inc. in Hartford, Connecticut. Jay has been an active member of the industry at large and has worked to change regulations surrounding scrap theft, increase the recycling capabilities of plastics, and he is a champion of global environmentally sustainable recycling practices.

Jeff Riser

Job Titles:
  • Facility Manager

Jim Horning

Job Titles:
  • Facility Manager

Joe Fils

Job Titles:
  • Facility Manager

John McPhee

Job Titles:
  • Facility Manager

Jon Spigel

Job Titles:
  • Vice President of Operations
  • in 2012 As Vice President Operations
Jon Spigel joined Alter Trading in 2012 as Vice President Operations of the Milwaukee region. He is currently responsible for the Milwaukee, Rock River and Southern Wisconsin Regions. Jon has many years of experience in the metals industry as he previously held the positions of President with Atlas Steel; General Manger with Hugo Neu/Schnitzer Northeast; President with Morris Recycling; and Vice President of Operations and Commercial for Northern Metals. Jon was also a Peace Corps volunteer in Micronesia and Costa Rica. He is a graduate of Washington University, St. Louis, MO.

Joseph Rosenbaum

Job Titles:
  • Facility Manager

Keith Christians

Job Titles:
  • Facility Manager

Kelly Walton

Job Titles:
  • Facility Manager

Ken Barber

Job Titles:
  • Facility Manager

Kimberly Goodwin

Job Titles:
  • Facility Manager

Krista Martin

Job Titles:
  • Facility Manager

Lisa R. Walden - CFO, SVP

Job Titles:
  • Chief Financial Officer
  • Corporate Controller
  • Senior Vice President
Lisa Walden joined Alter Trading in October 2011 as Corporate Controller. She was promoted to Vice President of Finance and Treasury in November 2016 and in 2019 was named Senior Vice President and Interim CFO. In early January of 2021, Lisa was promoted to Chief Financial Officer. Lisa oversees all transactional accounting, shared services, financial reporting and treasury related matters. Lisa has significant public and private finance experience having previously been an Audit Manager with PricewaterhouseCoopers, LLP, a Controller with Reckitt Benckiser and the Director of Finance and Administration of BCI, Inc. Lisa is a Certified Public Accountant and holds a Bachelor of Science in Accountancy from the University of Missouri.

Matthew Wilson

Job Titles:
  • Facility Manager

Michael E. Vail

Job Titles:
  • Vice President of Operations
Mike Vail joined Alter Trading in December 2010 and is based out Alter's Council Bluffs, Iowa facility. He currently manages 25 facilities and oversees 15 shredders in various states. Mike has worked in progressive leadership roles and has served as the Plant Manager for General Metals of Tacoma and Schnitzer Steel Industries (Tacoma), General Manager for Louisville Scrap Metal and General Manager and Vice President of Operations for Metro Metals in Portland Oregon. He has tremendous experience in all facets of operations including Ferrous and Non-Ferrous production, marine terminal and rail car operations. Mike retired from the military after serving 9 years as a Field Artillery Officer in the U. S. Army. He received numerous medals, badges and commendations for exemplary services; and served in multiple domestic and foreign locations acquiring unique leadership experiences and skills. Mike earned his Bachelor of Arts degree from Washington State University and his MBA from St. Martin's College in Olympia, WA.

Michael Goldstein

Job Titles:
  • Executive Vice President of Operations
Michael Goldstein joined Alter Trading in November 2009 as a management trainee in Des Moines, IA. In 2010, he moved to Alter's Southern region and worked in various ferrous and non-ferrous labor positions, before being promoted to Facility Manager in Gulfport, MS. In 2012, Michael became a Ferrous Marketing Account Representative in St. Louis and then moved to Milwaukee as Director of Integration Strategies for Miller Compressing. Upon moving back to St. Louis in 2013 as Special Projects Manager, he took on various roles including oversight of the Non-Ferrous recovery operations and catalytic converter operations. In January 2018, Michael assumed the role of Corporate Vice President of Operations and overseeing the daily operations of all 60 operating and processing facilities. On June 1, 2021, Michael was promoted to Executive Vice President of Operations. Michael represents the fifth generation of the Alter and Goldstein families in executive roles at the company. He is a 2005 graduate from Tulane University.

Mike Loeffelholz

Job Titles:
  • Facility Manager

Pam Bagwell

Job Titles:
  • Facility Manager

Rebecca Schlotman

Job Titles:
  • Facility Manager

Rob Goddard

Job Titles:
  • Facility Manager

Robert G. Ellis - Chief Legal Officer, SVP

Job Titles:
  • General Counsel
  • Senior Vice President
Bob Ellis has been with Alter Trading Corporation and its affiliated entities since 1991. He is responsible for the management and oversight of all legal matters involving the company, including but not limited to all litigation, contracts, mergers & acquisitions, corporate filings, and regulatory compliance. Bob also serves as SVP/General Counsel for the company's related entities including Goldstein Group, Inc., Alter Logistics Company, Alter River Terminals and Green Bridge Company. He was engaged in the private practice of law for seven years prior to joining Alter. Bob received a B.A. degree with Phi Beta Kappa honors in political science and economics from Iowa State University in 1981, and a J.D. degree from the University of Iowa College of Law in 1984.

Robert S. Goldstein

Job Titles:
  • Executive Chairman of Alter Trading Corporation
Robert S. Goldstein joined Alter Trading Corporation in 1977 and held various operating and marketing positions until being named President in 1989. He served as President through 2012 when a successor was named. In 2003, Mr. Goldstein was named Chairman and CEO of Alter Trading Corporation. In 2009, he was named Chairman and CEO of Goldstein Group, Inc., parent company of Alter Trading and continues to serve in both of those roles today. In addition, Mr. Goldstein is an officer and director of affiliated real estate development and transportation businesses involved in inland marine logistics and terminal operations. Mr. Goldstein also served as a Chairman at the Isle of Capri Casinos, Inc. He is a graduate of Tulane University where he earned a B.S. degree in economics.

Samuel Ruiz

Job Titles:
  • Facility Manager

Scott Johnson

Job Titles:
  • Facility Manager

Sheila Fry

Job Titles:
  • Facility Manager

Stan Davidson

Job Titles:
  • Facility Manager

Steve Jacobson

Job Titles:
  • Facility Manager

Steve Mulinix

Job Titles:
  • Facility Manager

Steve Nockerts

Job Titles:
  • Facility Manager

Terry Free

Job Titles:
  • Facility Manager

Todd Pember

Job Titles:
  • Facility Manager

Tom Vandenbush

Job Titles:
  • Facility Manager