Who Is Christian Sigman, City Manager, City of Brookhaven?

Christian Sigman, City Manager of Brookhaven, Georgia, told me on February 18, 2026 that communication would stop. Five days later he wrote again.

As of October 17, 2026. Counted from my mailbox and the original emails.

Who He Is:

Christian Sigman has been City Manager of the City of Brookhaven, Georgia since June 6, 2016, the start date Rough Draft Atlanta reported when the Council chose him (Rough Draft Atlanta, May 15, 2016). Before Brookhaven he was county administrator of Hamilton County, Ohio, appointed in 2011 (Rough Draft Atlanta, May 6, 2016). What he did in my emails and letters, with dates, is below under Why He is On ADAMATTERS.COM.

On January 5, 2026, the Brookhaven City Council renewed the contracts of City Manager Christian Sigman, City Attorney Jeremy Berry and City Clerk Sandra Bryant, as reported by Cathy Cobbs in Rough Draft Atlanta on January 6, 2026.

Official page: City of Brookhaven page listing Christian Sigman.

Why He is On ADAMATTERS.COM:

Double talk. On February 18, 2026, City Manager Christian Sigman announced no further communication from his office. On February 23, five days later, he sent a message titled “Moving Forward.”

• Double talk. On February 18, 2026, Sigman wrote: “Going forward, there will be no further communication from me or the City Manager’s Office due to potential litigation.” On February 23, he wrote again under the subject “Moving Forward.”
• The ADA route sent elsewhere. On February 26, 2026, at 2:47 PM, Sigman wrote: “Lillian Young is no longer with the City of Brookhaven.” On March 2 he wrote: “FYI…Lillian Young is no longer with the City. Please summit ADA matters to Linda Warren directly.”

In His Own Words: City Manager Christian Sigman on Transparency

On the City of Brookhaven’s Transparency page, City Manager Christian Sigman writes that the City goes “above and beyond” in following the open records and open meetings laws, and tells residents “Feel free to email me.” The page carries no date. It was read on October 17, 2026, and its 2015 resolution date is not the date of his statement.

What he wrote to me:

• February 18, 2026: “Going forward, there will be no further communication from me or the City Manager’s Office due to potential litigation.”
• February 23, 2026: a new email, five days later, under the subject “Moving Forward,” about the number of records requests I had sent.
• February 26, 2026: after an ADA grievance reached the City, he replied that the previously published contact was no longer with the City and directed ADA grievances to Linda Warren.
• March 2, 2026: he directed ADA matters to Linda Warren again.

His website tells residents to email him. His dated replies are what came back.

Find Everything Here:

Read the emails and letters: City of Brookhaven and BPD · Lillian Young, the contact the City kept publishing · John Park, Mayor · Loretta Watts, Deputy City Clerk · All Brookhaven people

Corrections: ADA Matters welcomes documented corrections. Write to info@adamatters.com with the correct fact and its source.