UNIONDALE, NY / ACCESS Newswire / February 10, 2026 / Marquis Who's Who honors Mayor Jeffrey Z. Slavin for success in politics. Since 2008, Mr. Slavin has served as mayor of Somerset, Maryland, where he has guided the community through significant changes, focusing on transparent and effective local government.

Dedication to Public Service

Throughout his career in local politics, Mr. Slavin is most proud of completing a comprehensive review and rewriting of all procedures governing the town's committees, councils and boards. This work strengthened municipal operations and assured greater accountability for residents.

Aside from mayoral responsibilities, Mr. Slavin has held leadership positions within the Maryland Municipal League and the National League of Cities. In this capacity, he has collaborated with other leaders to promote the interests of towns and cities throughout the state and the U.S. With his public service career spanning decades, he has held numerous staff and leadership roles, including service on the D.C. Human Rights Commission and the Maryland LGBTQ+ Commission.

Mr. Slavin has also held leadership roles in civic and nonprofit organizations, including the Washington Regional Association of Grantmakers and Montgomery Community Media. He also served as the board president for more than a decade at the 4620 North Park Avenue Condominium Association.

Early Legal, Policy and Business Roles

Education has been central to Mr. Slavin's success. He graduated magna cum laude with a Bachelor of Arts from Tufts University in 1977 and earned a Juris Doctor from Georgetown Law in 1980. To further his expertise in governance, he completed a certification program for senior executives in state and local government at the Harvard Kennedy School in 2009.

Mr. Slavin's legal background includes internships with the U.S. Department of Labor and Legal Counsel for the Elderly. He also served as a staffer at the Council of the District of Columbia, where he worked with Councilmember Hilda Mason and later as chief of staff to Councilmember Polly Shackleton. His early career also included work for U.S. Congresswoman Gladys Noon Spellman.

In addition, Mr. Slavin owned a successful real estate company, C.J. O'Shaughnessy Inc. REALTORS of Rockville, Maryland, between 1987 and 2014. The business thrived even though he entered the sector without formal professional training in that field.

Recognition for Philanthropic Impact

Mr. Slavin is known for his commitment to altruism. "I connected my public service and philanthropy," he says. In recognition of his work, he has received numerous honors, including being named Philanthropist of the Year by the Montgomery County Community Foundation and the National Capital YMCA. Additionally, the Bender JCC presented him with the Irene and Abe Pollin Humanitarian Award.

In 2021, Mr. Slavin was inducted into the Montgomery County, MD, Human Rights Hall of Fame for his advocacy on behalf of LGBTQ+ and women's rights. State legislative bodies and nonprofit organizations have also recognized him for supporting education, health equity, housing and youth development.

The Values Behind Effective Leadership

Throughout his career, Mr. Slavin has attributed his success to recognizing the values of every individual. "I'm a good listener, I respect everyone and I try to engage as many people as possible," he says. These principles have shaped his approach to government and philanthropy. Additionally, they have guided his efforts to connect public service with community giving.

Looking to the future, Mr. Slavin aims to mentor the next generation of leaders. He focuses on inspiring others to contribute their time, talent and resources to build stronger communities. "I try to engage my citizens to be philanthropic to the extent they are capable," he says.

About Marquis Who's Who^®:
Since 1899, when A. N. Marquis printed the First Edition of Who's Who in America^®, Marquis Who's Who^® has chronicled the lives of the most accomplished individuals and innovators from every significant field, including politics, business, medicine, law, education, art, religion and entertainment. Who's Who in America^® remains an essential biographical source for thousands of researchers, journalists, librarians and executive search firms worldwide. The suite of Marquis^® publications can be viewed at the official Marquis Who's Who^® website, www.marquiswhoswho.com.

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SOURCE: Marquis Who's Who