Webinar Instructor Bios
LG Brooks, EA is a senior consultant at The Tax Practice, Inc., a Dallas, Texas, representation firm. He has been in the field of taxation for more than twenty-five years and has been in practice full-time since 1990. Brooks’ areas of practice include tax representation, tax consulting, tax preparation and pre-Tax Court litigation support services. Brooks received a BA from Bishop College in Dallas. A popular speaker, he presents to numerous tax and accounting societies and has addressed attendees at several annual IRS Tax Forums. Brooks is an NTPI Fellow and teaches in NTPI Levels 1, 3 and the Graduate Level in Representation.
Robert (Bert) Hartmann, EA is a proud member of NAEA and a founding member of the Northern Nevada Society of Enrolled Agents. He serves as president of the Best in the West Education Foundation. Hartmann firmly believes that his NTPI education provided him the necessary tools to become a better representative for his clientele. Hartmann is an NTPI Fellow and has served as an NTPI instructor for seven years. Hartmann is a Level 1 and Level 2 instructor.
Claudia Hill, EA, MBA is a nationally recognized tax professional and frequent lecturer on taxation of individuals, tax planning, and representation before IRS, including at IRS Tax Forums. She is editor-in-chief of the CCH, Inc., Journal of Tax Practice and Procedure. Hill has testified before both the Senate Finance Committee and House Ways and Means Committee. Hill served on the 1987 Commissioner’s Advisory Group to the National Office of the Internal Revenue Service. She is often called upon by the media for comments about tax issues. Hill was recently named a Top Ten Nominee by Tax Analysts for 2011 Person of the Year. She is an NTPI Fellow and Level 1 and Graduate Level in Representation instructor.
Jennifer MacMillan, EA owns a practice in Santa Barbara, California, specializing in representation and individual income tax services. Jennifer speaks and writes regularly on a variety of tax and marketing topics for NAEA, the California Society of Enrolled Agents (CSEA), and Spidell Publishing, Inc. A past president of CSEA, she currently chairs the CSEA Ethics and Professional Conduct Committee and serves on the California Tax Education Council (CTEC) Board. MacMillan is an NTPI Fellow and an instructor for Levels 1 and 3.
Robert E. McKenzie is a partner of the law firm of Arnstein & Lehr LLP of Chicago, concentrating his practice in representation before the Internal Revenue Service and state tax agencies. He has made numerous media appearances, including “Dateline NBC” and “ABC’s Nightly News.” McKenzie was employed by the Internal Revenue Service, Collection Division, Chicago and currently serves as a member of IRS Advisory Council, which is a group appointed by the IRS Commissioner. He is the author of several publications. McKenzie received his JD with High Honors from the Illinois Institute of Technology, Chicago Kent College of Law. He is a Level 1 and Graduate Level in Representation instructor.
David F. Miles, EA is a consultant with 20/20 Tax Resolution, Inc. with over 14 years of representation experience. Miles works nationally as a taxpayer representative focusing on state and IRS collections. He holds a Bachelor's degree in Small Business Administration from the University of Vermont. Miles is a frequent instructor and has been published in the EA Journal, most recently in the July/August 2012 edition. He has been interviewed relating to a range of tax topics for various news articles as well as Denver television. Miles serves as a Level 1 instructor.
Theodore A. Sinars, JD is a partner in the Chicago tax law firm of Madden, Jiganti, Moore and Sinars LLP. For over forty years he has concentrated in the areas of IRS civil and criminal taxation, procedure and litigation. Sinars is an Adjunct Professor of Law, Master’s Tax Program, DePaul University Graduate School of Law. He is a frequent speaker and author on tax matters for many professional organizations. He has been a guest speaker for IRS at its agent training programs and has testified before Congress on federal taxation matters. He received his BS in Business and JD degrees from University of Notre Dame. Sinars teaches in the NTPI Level 1 and Level 3 tracks.
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