Home Field Enforcement Contact the Field Enforcement Bureau Contact the Field Enforcement Bureau Administration Chuck Ulm Director 410-260-7278 culm@marylandtaxes.gov Anthony Hatcher Deputy Director 410-260-6154 thatcher@marylandtaxes.gov Patrick Dunkes Assistant Director 410-260-6247 pdunkes@marylandtaxes.gov Jodi Reilly Office Administrator 410-260-7613 jreilly@marylandtaxes.gov Regulatory William Collier Agent in Charge 410-260-7490 wcollier@marylandtaxes.gov John Matzerath Supervisor 410-260-6365 jmatzerath.marylndtaxes.gov Kevin Burley Supervising Inspector 410-320-6988 kburley@marylandtaxes.gov Ketan Vithlani Manager-Motor Fuel Testing Laboratory 410-799-7999 kvithlani@marylandtaxes.gov State License Bureau Keisha Sorrell Chief License Inspector 410-260-7382 lsorrell@maryandtaxes.gov Ken Collier License Inspector 410-260-7054 kcollier@marylandtaxes.gov Sandy Davis License Inspector 410-260-6246 sdavis@marylandtaxes.gov Natasha Jones-Watkins License Inspector 410-260-7216 nwatkins@marylandtaxes.gov