Mr. Walter is Chairman and CEO of Ashlin Management Company. He is the retired President and COO of AT&T Corporation, and retired Chairman and CEO of R.R. Donnelley & Sons Company. Mr. Walter serves as a Director of ecoAmerica and The Conservancy of Southwest Florida. He served as a Director of Manpower Inc. and served as Non-Executive Chairman. Mr. Walter previously served on the boards of other companies, including Innerworkings, Echo Global Logistics, VASCO Data Securities, Media Bank, LLC, Groupon, Deere & Company, Abbott Laboratories, Inc., AT&T Corporation, Target Corporation and Jones Lang LaSalle. Mr. Walter was the founding Chairman of InnerWorkings, Inc. He also served as Chairman of SNP Corp. of Singapore and an Advisory member of the Singapore Economic Development Board. Mr. Walter is on the Board of Trustees for Steppenwolf Theater, Northwestern University and The Naples Children & Education Foundation.