Purchasing Department Contacts

The following table shows names, phone numbers and e-mail addresses for Purchasing & Supply Chain staff.

Unless otherwise noted, phone numbers are (312) 664-7200. Only extensions are listed here.

 

Procurement contacts

Name/Title

Extension

E-mail

Administration

Ellen McCormack, Vice President, Purchasing & Supply Chain

12400

emccormack1@transitchicago.com

Travis Cole Marcum, Senior Manager

12409

tmarcum@transitchicago.com

Technology Procurement & Professional Services & Facilities Maintenance

Iliana Linares, General Manager

12650

Ilinares@transitchicago.com

Timothy Polacek, Senior Manager 12481

Tpolacek@transitchicago.com

Jill Kerschensteiner, Senior Procurement Administrator 12642 JKerschensteiner@transitchicago.com
Jerome Kurth, Senior Procurement Administrator 12477 Jkurth@transitchicago.com

Christopher Lahciev, Senior Procurement Administrator

12456

Clahciev@transitchicago.com

Greg Medrano, Procurement Administrator 12433 Gmedrano@transitchicago.com 

Patrick McKenna, Senior Procurement Administrator

12458

Pmckenna@transitchicago.com

Jenna Scott, Procurement Administrator 12674 JScott@transitchicago.com

Toni Shelby, Senior Procurement Administrator

12648

Tshelby@transitchicago.com

Sherri Hutcherson, Procurement Administrator

12667 Shutcherson@transitchicago.com

Sarah Villasenor, Procurement Administrator

12454

Svillasenor@transitchicago.com

Commodity Buying (Under $40,000)

Karen Brosnan, General Manager

12487 kbrosnan@transitchicago.com

Jose Solis, Coordinator

12666

Jsolis@transitchicago.com

Construction Oversight & New Vehicle Procurement

Maria Williams-Baxter, Director

12437

Mwilliams@transitchicago.com

Maria Biszewski, Senior Manager 

12426 Mbiszewski@transitchicago.com
Courtney Cannon, Senior Procurement Coordinator 12468 Ccannon@transitchicago.com
Tavia Carter, Procurement Administrator 12462 Tcarter@transitchicago.com 

Molly Cate, Senior Procurement Administrator

12457 Mcate@transitchicago.com
Joyce Connors, Procurement Administrator 12434 Jconnors@transitchicago.com

Tamika Johnson, Procurement Administrator

12448 TJohnson7@transitchicago.com

Blanca Medina, Lead Procurement Administrator

12470 Bmedina@transitchicago.com
Akintayo Omokaiye, Procurement Administrator 12416 Aomokaiye@transitchicago.com
Eric Sarpong, Procurement Administrator 12632 Esarpong@transitchicago.com 
Michael Stoch, Senior Procurement Administrator 12452

Mstoch@transitchicago.com