Don has been a partner in well-respected firms: Williams and Montgomery (1972-1980; associate and partner); Isham Lincoln and Beale (1980-1988; partner); Oppenheimer Wolff and Donnelly, Chicago (1988-1999; partner). Don left Oppenheimer in 1999 to for the business venture with Ernst and Young, returning to practice in 2002.
He obtained his B.A. from Vanderbilt University (magna cum laude, Phi Beta Kappa) and his J.D. from Northwestern University (cum laude, Order of the Coif). He served as an Associate Professor of Law at the University of Alabama, 1976-1977. He enjoys an “AV” rating under the peer review system employed by Martindale Hubble. This rating, which is obtained by only 10% of peer reviewed attorneys, signifies that his fellow attorneys judge him as meeting the highest professional and ethical standards.