Tracy Shanker
Tracy Shanker was appointed Southern Regional Director in January 2025. The OLMS regional director is responsible for leading a nationwide criminal and civil enforcement program within a broad geographic area. The regional director formulates annual regional program, budgetary, and administrative operations plans, and monitors and evaluates program work conducted in three field offices throughout the regional jurisdiction on an ongoing basis. Prior to this detail, she had served as Chief of the OLMS Division of Enforcement (DOE) since August 2020. The Chief of DOE provides leadership and direction regarding civil and criminal enforcement activities under the Labor-Management Reporting and Disclosure Act (LMRDA) and related laws. Ms. Shanker began her OLMS career in the Seattle District Office in March 2006. After transferring to OLMS Headquarters in 2007, she worked in the OLMS Division of International Union Audits, and later in the OLMS Division of Statutory Programs. She subsequently served as a policy and law adviser in the OLMS Division of Interpretations and Standards, where her work focused on rulemaking, regulations, policy, and compliance assistance. She served in DOL’s Wage and Hour Division from 2013 to 2015, after which she returned to OLMS and began serving as a DOE investigator. Throughout her career, Ms. Shanker has engaged in many OLMS- and DOL-wide projects and initiatives. A graduate of the University of California, Santa Cruz, she also holds a master’s degree in counseling from San Francisco State University.
District Director
Robert Dillow was named District Director of the Atlanta-Nashville District Office in July 2024. The Atlanta-Nashville District Office jurisdiction covers Georgia, Florida, North Carolina, South Carolina, Tennessee, and Alabama (except for two southwestern counties). Under the oversight of a regional director, the OLMS district directors are responsible for leading a criminal and civil enforcement program within an OLMS field office, including the responsibility to formulate annual office program, budgetary, and administrative operations plans, and monitor and evaluate the program work performed. Mr. Dillow began his career with OLMS in 2003 as an investigator in the St. Louis District Office. He was converted to a criminal investigator in 2009 and promoted to a senior investigator in 2011. In October 2015, Mr. Dillow transferred to the Atlanta-Nashville District Office and in January 2021, he was promoted to supervisory investigator. He holds a bachelor’s degree in political science from Missouri State University and a master’s degree in public administration from Saint Louis University.
Supervisory Investigator
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District Director
Michelle Hussar serves as District Director for the Dallas-New Orleans District Office. The Dallas-New Orleans District Office jurisdiction covers Arkansas, Oklahoma, Texas, Louisiana, Mississippi, and the two southwestern counties in Alabama. Under the oversight of a regional director, the OLMS district director is responsible for leading a criminal and civil enforcement program within an assigned jurisdiction, including responsibility to formulate annual office program, budgetary, and administrative operations plans, and monitor and evaluate the program work performed in the assigned field office. Before joining OLMS, Ms. Hussar began her government career in July 1991 as a revenue agent with the Internal Revenue Service in Los Angeles. In September 1997, she became an investigator with OLMS in the Los Angeles District Office, and in May 2005, she became a senior investigator in the Dallas District Office. Ms. Hussar was appointed District Director for the Dallas-New Orleans District Office in January 2008.
Supervisory Investigator
Tara Hamilton serves as Supervisory Investigator for the Dallas-New Orleans District Office. The Dallas-New Orleans District Office jurisdiction covers Arkansas, Oklahoma, Texas, Louisiana, Mississippi, and the two southwestern counties in Alabama. She began her career as an investigator in the New Orleans District Office in July 2007. Under the oversight of a district director, the OLMS supervisory investigator is responsible for leading a criminal and civil enforcement program within an OLMS field office, including shared responsibility to formulate annual office program, budgetary, and administrative operations plans, and monitor and evaluate the program work performed. In August 2010, she was promoted to senior investigator, and in May 2013, was promoted to Supervisory Investigator for the Dallas-New Orleans District Office, after having served as Acting District Director for seven months. Before joining OLMS, Ms. Hamilton began her federal career as a U.S. Probation Officer in New Orleans, Louisiana, and prior to that, was a Louisiana State Juvenile Probation Officer. She earned a bachelor’s degree in psychology and master’s degree in criminal justice from Loyola University, New Orleans, and earned a master’s in marriage and family therapy from North Central University, based in Prescott, Arizona.
District Director
Mark Wheeler was named District Director of the OLMS Washington District Office in April 2006. Under the oversight of a regional director, the OLMS district director is responsible for leading a criminal and civil enforcement program within an assigned jurisdiction, including responsibility to formulate annual office program, budgetary, and administrative operations plans, and monitor and evaluate the program work performed in the assigned field office. In April 1997, Mr. Wheeler joined OLMS as an investigator in the Washington District Office, then was promoted to senior investigator in September 2002. In October 2004, he was promoted to supervisory investigator, also in the Washington District Office. Mr. Wheeler graduated from Towson University with a degree in finance in 1992, and from the University of Baltimore School of Law in 1996. He is a member of the Maryland State Bar Association.
Supervisory Investigator
Christian Saenz serves as Supervisory Investigator for the OLMS Washington District Office. Under the oversight of a district director, the OLMS supervisory investigator is responsible for leading a criminal and civil enforcement program within an OLMS field office, including shared responsibility to formulate annual office program, budgetary, and administrative operations plans, and monitor and evaluate the program work performed. Ms. Saenz graduated from American University with a major in international business management. She began working for OLMS as a labor-management assistant in the Washington District Office in 2003. She became an investigator in 2004 and a senior investigator in 2010. She has distinguished herself in all major OLMS program types, including several national election and criminal investigations.
Last Updated: 1-06-25