Contact Us

Send_Message.jpgNeed_WebHelp_0.jpgTax Executives Institute

1200 G Street NW, Suite 300
Washington, D.C. 20005
202.638.5601 (p) 202.638.5607 (fax)
General Questions: [email protected]

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Eli J. Dicker is Executive Director of the Tax Executives Institute, the pre-eminent association of in-house tax professionals worldwide comprised of 7,000 members from 3,000 of the largest companies in North America, Europe and Asia. He leads a team of twenty professionals. He previously served as the Institute’s Chief Tax Counsel. Prior to joining TEI, Eli led the Tax Accounting and Reporting function at Capital One Financial Corporation, overseeing federal and state tax accounting, reporting and compliance.

Eli’s prior experience includes service as a tax principal with KPMG LLP and as an attorney-adviser and trial attorney in the Office of the Associate Chief Counsel (International) and Miami District Counsel office of the Internal Revenue Service.

Eli is an Adjunct Professor of Law at Georgetown University Law Center, where he teaches a Cross-Border Tax Controversy Workshop.

Eli holds BA, magna cum laude, and MA degrees (political science) from Queens College, City University of New York, a JD from Northeastern University School of Law and an LL.M. (Taxation) from New York University School of Law.

Eli Dicker
Executive Director
[email protected]


Responsible for the day-to-day administrative operations at TEI headquarters, including management of office, personnel, budget, and accounting functions.The Administration team also manages the TEI gift collection, office supplies and materials, and provides administrative support as needed.

debbiegiesey.jpgDebbie Giesey has worked for TEI since October 1984. She oversees day-to-day administrative operations at TEI headquarters, including personnel, budget and accounting. She is from Ligonier, which is a small town in southwestern Pennsylvania approximately 50 miles southeast of Pittsburgh. 

Debbie Giesey
Director of Administration
[email protected]

joebrooks.jpgJoseph Brooks has worked for TEI since 1999. He manages most of the office's supply orders, copying jobs, bank lockbox processing, faxes and mail processes. He also answers general emails and phone calls. In his free time, he enjoys dining at local restaurants, dancing and bowling.

Joe Brooks
General Office Assistant
[email protected]

TheresaFord.jpgTheresa Ford joined TEI in 2013 as a Central Transaction Processor. She works with the accounting department to ensure accuracy, efficiency and timeliness of financial batches and invoices and handles all payments for the organizations.

Theresa has worked in the accounting field for the past 14 years. She previously worked for a nonprofit organization in Washington, D.C., as an Accounting Assistant for 6 years. While there, she handled all of the accounts receivable tasks for the organization.

Theresa has a bachelor’s degree in Business Management and a master's degree in Human Resource Management from University of Maryland University College.

Theresa Ford
Accounts Receivable Coordinator
[email protected]

MargaretStanback.jpgMargaret R. Stanback joined the Tax Executives Institute in 2012 as an Administrative Assistant to the Executive Director, Office Administrator and the Legal Staff where she provides administrative support in the day-to-day operations of TEI’s national office. Margaret came to TEI with an extensive knowledge of office administration and legal technical support for the private and public sectors.

Prior to joining TEI, Margaret served as secretary to the Chief of the Anti-Money Laundering Section of the Federal Deposit Insurance Corporation (FDIC) in Washington, D.C. Prior to FDIC, Margaret spent 25 years in large law firms including Baker & McKenzie, Kirkland & Ellis, Morgan Lewis & Bockius, Reed Smith, and Howrey LLP as a legal secretary supporting attorneys and foreign associates in trademark prosecution, taxation, litigation, and environmental law practices. She also served as recruiting assistant in human resources in the recruitment and employment process for new attorneys and paralegals in the Washington, D.C., office of Baker & McKenzie. During her earlier career, Margaret spent 8 years of service as an office manager supporting corporate officers for a national dispute settlement corporation in personnel management, office administration and event planning of dispute settlement training seminars throughout the U.S.

Margaret holds an undergraduate degree in Business Management with honors from the University of the District of Columbia. Margaret is a native Washingtonian. She is also active in the Washington, D.C., historical Brookland/Catholic University community, where she currently resides.

Margaret Stanback
Administrative Assistant
[email protected]

joywolfe.JPGJoy D. Wolfe has been with TEI for 6 years and is the bookkeeper and assistant to the Director of Administration. An avid golfer and mentor to junior golfers, her family and roots come from the “Show Me” state. She enjoys golf, biking and flying kites when she’s not crunching some numbers.

Joy Wolfe
[email protected]

Conference Planning

Responsible for planning and coordinating conferences, courses, seminars, and governance meetings, including planning and on-site management. The conference planning staff also has responsibility for securing continuing professional education (CPE) credit for TEI programs and managing the Institute’s event/program sponsorship initiative.

DeborahGaffney.jpgDeborah Gaffney joined TEI in 1985, and as Director of Conference Planning has overall logistical responsibility for the Institute’s educational programs. She has worked on TEI’s sponsorship program since its inception, and now works with the executive director on the recruitment and retention of sponsors, and their participation in TEI’s educational programs. She also assists TEI’s chapters and regions on contract matters related to their education and social programs. Finally, Deborah serves as the Institute's Equal Employment Opportunity (EEO) Officer.

Deborah is a graduate of Catholic University of America.

Deborah Gaffney
Director of Conference Planning
[email protected]

mikelowery.jpgMichael R. Lowery is the Assistant Director of Conference Planning at TEI. Mike joined the TEI staff in 2007. He is responsible for planning and executing TEI’s conferences, courses and seminars. He is a Certified Meeting Professional (CMP).

He lives in Arlington, Va., with his wife, two sons and their dog.

Mike Lowery
Assistant Director of Conference Planning
[email protected]

IT/Web Services

Responsible for managing TEI’s membership database (including vendor relationships); overseeing use of technology (including staff training), and resolving website user issues from members and staff. In addition, the IT/Web Services team provides end-user support to the Institute staff to ensure all of their technology needs are met. 

Dowdy_headshot_low res.jpgTerry Dowdy has over 20 years of experience in Information Technology, with the majority of it in associations. He joined TEI in September 2014 as the Director of Information Technology & Web Services.

A native of Forest, Virginia Terry has been in the Washington DC Metro area since 1997, when he moved here to become the Manager of Systems Development at The Optical Society. Since then, he has held IT leadership roles or consulting positions with a variety of non-profits and not-for-profit organizations, including the Association of Performing Arts Presenters, the National Society of Professional Engineers, Sister Cities International, and the National Archives Foundation.

Terry is very proud of his service in the United States Army, where he served from 1980 to 1988. He was in the Infantry the entire time, serving as an Infantry NCO with the 101st Airborne (Air Assault) Division at Fort Campbell, Kentucky and the 2nd Infantry Division in Tongduchon/Tokari, South Korea, with his last posting as the Operations NCOIC for the United Nations/Eighth US Army Honor Guard in Yongsan Garrison, Seoul, South Korea. While in the Army he earned his degree in Microcomputer Technology. He left the Army as an E-6/Staff Sargent to pursue a career in information technology.

Terry is a big history buff and recently proposed to his fiancée Deborah in a horse drawn carriage on the grounds of Colonial Williamsburg. Once married they intend to make their home together in Montgomery County, Maryland.

Terry Dowdy
Director of Information Technology  & Web Services
[email protected]

MattRogers.jpgMatt Rogers grew up in Vienna, Va. He and his five siblings were homeschooled from elementary school through high school.

Matt graduated in 2009 with a B.S. in Management Information Systems from Liberty University. Following graduation, he immediately began working in an IT support role at a small nonprofit organization. In August 2012 he accepted a position at TEI as an Information Technology and Web Support Specialist.

Matt Rogers
Information Technology & Web Support Specialist
[email protected]



Serve as technical assistants to the President and Standing Committee Chairs (including the committees focused on internal TEI matters such as awards and membership); monitor pending and proposed tax legislation, regulations, and other tax administrative and judicial pronouncements; oversee the preparation of position papers, liaison meeting agendas, and testimony; prepare communications for TEI publications (both print and electronic); and maintain liaison with government representatives. Members of the legal staff are also frequently assigned special projects.

PatrickEvans.jpgPatrick Evans is the Chief Tax Counsel of TEI. In this role, he serves as the Institute’s lead technical tax adviser, leading a team of three other lawyers and overseeing TEI’s advocacy efforts and initiatives including those related to pending or proposed tax legislation and regulations, treaties, legal judgments and administrative pronouncements.

Prior to joining TEI, Patrick was a Counsel in the Washington, D.C., office of Skadden, Arps, Slate, Meagher & Flom LLP where he advised clients in a wide variety of complex compliance, procedural, transactional, and administrative controversy matters. He joined Skadden Arps upon his graduation with High Honors from George Washington School of Law, where he was elected to Order of the Coif and served as Editor-in-Chief of the George Washington Journal of International Law and Economics. He holds B.B.A. (Accounting) and Master of Taxation degrees from Baylor University.

Patrick Evans
Chief Tax Counsel
[email protected]

MataPilar-56021-0800_low res.jpgPilar Mata is a Tax Counsel for TEI, where she supports the activities of TEI’s State and Local Tax, European Indirect Tax, and Canadian Commodity Tax Committees in their advocacy and educational efforts on behalf of the Institute. 

With respect to the Institute’s State and Local Tax Committee, Pilar regularly authors amicus briefs filed with the U.S. Supreme Court and state appellate courts, files comment letters with state and local tax authorities, and drafts policy statements reflecting TEI’s position on important administrative and procedural issues.  In 2015, the U.S. Supreme Court issued an order following her recommendation to issue a "GVR order" in First Marblehead v. Massachusetts Commissioner of Revenue.  Pilar is also responsible for facilitating liaison meetings and ongoing discussions with state and local tax authorities, the Multistate Tax Commission, and Federation of Tax Administrators.

Pilar also regularly files comment letters and submissions with various countries and provinces, the OECD, and the European Commission regarding various value-added tax, goods and services tax, and sales tax proposals for the Institute’s European Indirect Tax and Canadian Commodity Tax Committees.  In addition, she supports the Canadian Commodity Tax Committee with is annual liaison meetings with the Canada Revenue Agency and Department of Finance.

Prior to joining TEI in 2015, Pilar was Counsel at Sutherland Asbill & Brennan in the firm’s Washington, D.C. office, where she provided her clients with strategic advice on state and local tax matters, and represented them in controversy matters at the audit, administrative, trial, and appellate levels. Pilar began her career in Morrison & Foerster’s State and Local Tax practice in San Francisco, California in 2000.

Pilar earned her J.D. from the University of California at Berkeley School of Law, her M.S. in Finance from San Diego State University and her B.B.A. from the University of San Diego. She is a frequent author and speaker, holds positions on the Advisory Board for NYU's Institute on State and Local Taxation and New York State's Tax Appeals Tribunal Advisory Panel, and was recognized by State Tax Notes in 2017 for her work on the partnership audit rules project.

Pilar Mata
Tax Counsel
[email protected]


B-Shreck-2018.jpgBenjamin R. Shreck is a Tax Counsel for TEI. In this role, his responsibilities include supporting the activities of TEI’s U.S. International and European Direct Tax Committees in their advocacy and educational efforts on behalf of the Institute.  Ben has extensive experience in a wide range of U.S. international and multilateral tax issues.  In his role as Tax Counsel for TEI, Ben has assisted the Institute in filing comments with the United States Department of the Treasury and Internal Revenue Service regarding the Foreign Account Tax Compliance Act, revisions to the revenue procedures for advance pricing agreements and requests for competent authority assistance, the U.S. Country-by-Country reporting regulations, and submitting items for the Institute’s annual liaison meetings with U.S. government officials. With respect to the Institute’s European Direct Tax Committee, he has been active in submitting comments to the Organisation for Economic Co-Operation and Development regarding its Base Erosion and Profit Shifting project, its work on the transfer pricing aspects of intangible assets, and the definition of a permanent establishment under the OECD’s model tax convention.  Ben has presented at several OECD public consultations in Paris on issues surrounding the Base Erosion and Profit Shifting Project.  Ben has also assisted the Institute in submitting comments to the European Union, United Nations, United Kingdom, Ireland, and the Government of India.

Ben joined the Institute’s legal staff in 2010. Prior to joining the legal staff, Ben was an attorney with the Washington, D.C., offices of Paul, Hastings, Janofsky & Walker LLP, and King & Spalding LLP, where he practiced in the areas of international taxation and the taxation of financial products. Ben received his B.A. in Economics from Stanford University, his J.D. from the University of California, Berkeley School of Law, and his LL.M. in Taxation from Boston University, where he was the valedictorian.

Ben Shreck
Tax Counsel
[email protected]


Watson M. McLeish is Tax Counsel for Tax Executives Institute Inc. in Washington, D.C., where he supports the activities of the Institute’s Tax Reform Task Force, Federal Tax Committee, and Canadian Income Tax Committee. In this role, Watson coordinates many of the Institute’s policy advocacy efforts on Capitol Hill and with the Treasury Department’s Office of Tax Policy and IRS Offices of Associate Chief Counsel.

Watson joined the Institute’s legal staff in July 2017 from nearby Ernst & Young LLP, where he was a member of the firm’s National Tax Department – International Tax Services practice. During his tenure with Ernst & Young, Watson accumulated extensive experience in advising corporate and private equity fund clients on many aspects of planning their international operations and investments from a U.S. federal income tax perspective, including the structuring of cross-border organization and reorganization transactions, interpretation and application of income tax treaty provisions, and foreign tax credit utilization and repatriation planning.

Watson is an alumnus of the Boys’ Latin School of Maryland and holds the following academic degrees: Bachelor of Arts, Political Science and French, Trinity College, 2005; Juris Doctor, The Catholic University of America, Columbus School of Law, 2010; Master of Laws, Taxation, Georgetown University Law Center, 2011. He is admitted to practice in Maryland and before the United States Tax Court. Watson is also an Associate member of the J. Edgar Murdock Inn of Court and an Adjunct Professor of Law at Georgetown University Law Center, where he teaches a graduate-level seminar on Tax Research and Writing (LAW 809 v02).

Watson McLeish
Tax Counsel
[email protected]


Working with the other departments within TEI, the Marketing & Communications team coordinates all forward-facing marketing, communications and public relations. Responsible for development and distribution of printed and electronic materials, including The Tax Executive, Membership Roster, Annual Report, and brochures for educational programs. The Marketing team is also responsible for updating TEI's website, and provides support to the chapters in managing the chapter websites.

lisasamuels.jpgLisa Samuels joined TEI as its first Director of Marketing and Communications in February 2013. She is responsible for marketing all of TEI’s educational events, as well as membership and other benefits the institute affords its members. In addition, her team oversees “The Tax Executive” magazine as well as TEI’s online “face,” managing our social media presence, event-specific websites and

Lisa began her career in publication design and production, with a degree in Journalism and Mass Communications from Drake University (Des Moines, IA). Lisa has held several positions throughout her career, including working at two other professional societies. Thanks to some great opportunities along the way, her skillset grew to include marketing and communications. Most recently, she served as the Vice President of Marketing for Seneca One Finance, a privately held factoring company. There, Lisa was responsible for all marketing strategy and implementation for two lines of business, including direct mail, internet marketing, and the company’s list development and management.

When not working, Lisa enjoys her dog Air Jordan (a/k/a A.J.) as well as cooking and knitting. In addition, she volunteers free time at the National Multiple Sclerosis Society’s National Capital Area Chapter.

Lisa Samuels
Director of Marketing and Communications
[email protected]

christineHayesBotts.jpgChristine Hayes Botts designs all forward-facing marketing, as well as produces and distributes printed materials, including The Tax Executive, Membership Roster, Annual Report, MOP, brochures and postcards for educational programs, and more.

Christine Hayes Botts
Publications Manager
[email protected]

lb_photo.jpgLorelei Bassi joined TEI in April 2015 as the Website and Community Manager. She handles all things web and social media related, ensuring that TEI websites and social media channels are updated and accessible, while tracking usage and trends.

Lorelei started building websites for fun and profit during her college years at the University of Chicago, where she graduated with a degree in Anthropology in 1998. Leaving academia and archaeological digs behind, she embarked on a career in web development and design, and has experienced first-hand the evolution of internet technologies, communication and networking while working for startups and as a contractor for the federal government.

Lorelei Bassi
Website and Community Manager
[email protected]



Responsible for developing and implementing an overall strategy for membership recruitment and retention, and overseeing the development and distribution of the Institute’s membership materials and TEI’s regular communications, as well as processing new applications, dues renewals, and chapter rebates; maintaining membership records, and all other aspects of membership. Also responsible for providing other services to the chapters.

CathyFlake.jpgCathy Flake is the Membership and Chapter Relations Coordinator. Cathy is responsible for developing and implementing an overall strategy for membership recruitment and retention, and overseeing the development and distribution of the Institute’s membership materials, as well as processing new applications and chapter rebates, maintaining membership records, and all other aspects of membership. Cathy also provides other services to the chapters as needed.

Cathy Flake
Membership and Chapter Relations Coordinator
[email protected]