Executive Staff

Nicole McCormac is the Chief of Staff for the City Controller's Office and is responsible for the operations and management and tasked with overseeing the administration of the office, including human resources, budget, records and IT as well as assisting the City Controller on projects as needed. Prior to joining City Controller's Office in January of 2018, Nicole served as Chief of Staff to the City’s first Chief Administrative Officer, supporting operations for ten departments and units across the City. Having worked in City government for over 17 years, Nicole began her career as a Budget Coordinator. During the Nutter Administration, Nicole served as Deputy Budget Director for Capital, where she had also been a Deputy Budget Director for Program Evaluation.  Prior to being at the Budget Office, Nicole served as Assistant City Treasurer for Debt for the City’s debt-related obligations. 

Nicole received her Masters in Business Administration from Philadelphia University and her Bachelor of Sciences from King’s College. She lives in the city’s Northeast section with her husband Geoff and daughter Alexandra.

Kellan White serves as the First Deputy City Controller. In that role he serves as the main liaison between the Office of the City Controller and other governmental agencies. As First Deputy, Mr. White also oversees and manages the City Controller’s office’s public engagement including special events, community outreach, constituent services, and communications.

Prior to joining the City Controller's Office, Mr. White served as Campaign Manager and Political Director for Rhynhart’s successful general election and primary campaign, respectively, for City Controller. Until recently, Mr. White served as the National Political Director for New Leaders Council, a leading program that trains progressive millennials; he currently is the organization’s local chapter director.

Christy Brady is the Post Audit Deputy City Controller and has been a career auditor with the Controller’s Office for more than 20 years. Christy oversees a professional staff of 75 auditors who perform a variety audits which include the City of Philadelphia and the School District of Philadelphia financial statement audits,  the Single Audit of the City and the School District, performance audits to determine the effectiveness of City operations, compliance audits of City offices, departments, boards, and commissions that receive appropriations from City Council, and publishing reports on the financial condition of City government.  She is the first female to hold this title with the City Controller’s Office.

Christy graduated cum laude from Philadelphia University with a degree in accounting and she is a graduate of Cheltenham High School. She is a Certified Public Accountant and a Certified Global Management Accountant.  She is a member of the American Institute of Certified Public Accountants, the Pennsylvania Institute of Certified Public Accountants and the Association of Local Government Auditors. In her free, time Christy enjoys volunteering with the Boy Scouts of America, Girl Scouts of the United States of America, and coaching baseball and soccer in local youth sports organizations.   She also enjoys participating in the annual Blue Cross Blue Shield Broad Street Run. 

John H. Thomas is the Pre-Audit Deputy in the Controller's Office and is responsible for managing the Expenditures and Receipts Control Unit and the Technical Unit. John has been with the Controller's office since January 2006, and especially enjoys his work because it "saves taxpayer resources and prevents inappropriate and unauthorized payments from the city treasury."

A Temple University graduate who also completed graduate studies at the University of Pennsylvania, Mr. Thomas was previously employed by the Philadelphia Gas Commission as a senior analyst. His career has spanned more than twenty years in accounting, auditing, information technology, and financial-policy analysis. He has worked with the Pennsylvania Auditor General’s Office as an audit manager and also in General Electric’s financial management program.