Jack B. Siegel, an attorney and CPA, is the founder and President of Auto Didactix LLC, an Illinois limited liability company that develops and markets interactive guides and tutorials that are of interest to lawyers, accountants, and financial professionals, as well as students. Jack practiced law for ten years with Foley & Lardner, where he was a partner on the firm's Tax Team. He has served on the boards of a number of nonprofits, and provided advice to nonprofits on matters including hospital system conversions and restructurings, sales of major assets, joint ventures, private foundation status, and low-income housing tax credits. He is the creator and author of three software programs for attorneys, accountants, and students: TaxProf, Tax-Deferred Like-Kind Exchanges of Real Estate, and Avoiding Trouble While Doing Good: A Guide for the Nonprofit Director and Officer.