BIRMINGHAM, MI, July 01, 2025 /24-7PressRelease/ -- Simon Harry Jonna has been selected for inclusion in Marquis Who's Who. As in all Marquis Who's Who biographical volumes, individuals profiled are selected on the basis of current reference value. Factors such as position, noteworthy accomplishments, visibility, and prominence in a field are all taken into account during the selection process.

A distinguished figure in the real estate industry, Mr. Jonna is the founder and CEO of Jonna Group of Colliers. In this role, he oversees the group's operations, manages net-lease and apartment inventory and ensures client expectations are met. His leadership is marked by his commitment to maintaining high standards of service and integrity, which has earned him notable relationships with high-level clients around the globe.

Previously, he held significant roles at Marcus & Millichap in Southfield, Michigan, from 2005 to 2020, serving as senior managing director and senior director of the National Retail Group. His contributions during this period were pivotal in establishing a strong market presence.

Mr. Jonna's career began in finance as a Series-3 commodity broker with U.S. Futures & Options in San Diego from 2001 to 2003. He then transitioned to become a Series-7 stockbroker at UBS from 2003 to 2005. These early experiences laid a solid foundation for his subsequent success in the real estate industry. He is also an active member of the International Council of Shopping Centers, reflecting his deep engagement with industry developments.

Mr. Jonna holds a Bachelor of Arts in communications from the University of Michigan. This academic background has been instrumental in shaping his analytical skills and communication prowess, which are vital to his professional achievements. He attributes his success to his creative approach, resourcefulness, character, integrity and a genuine desire to serve his clients' interests.

In recognition of his outstanding contributions to the field, Mr. Jonna has received numerous accolades, including being named Global Broker of the Year in 2024 and receiving the DBusiness Commercial Real Estate Awards the same year. He was also recognized as the No. 1 Sales Listing Broker Nationwide by Crexi and has consistently earned the Power Broker Award from CoStar for 10+ years. His inclusion among the Top 30 Investment Professionals in the Country by the Wall Street Journal further underscores his expertise.

Beyond his professional endeavors, Mr. Jonna is deeply committed to civic engagement. He supports several charitable organizations, including the MS Society, St. Jude Children's Research Hospital, Shriners Hospitals for Children, Holocaust Memorial Centers, Chaldean American Ladies of Charity and the Adopt A Refugee Foundation. These affiliations reflect his dedication to giving back to the community.

In his personal life, Mr. Jonna is actively involved in developing various projects, both as an investor and developer. He manages a joint venture platform for clients while aiming to expand his portfolio and deliver optimal results. His goals include raising his family with Ashley and their three children while continuing to grow his business and maintain a high standard of credibility with clients and investors.

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 of endeavor, 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 around the world. The suite of Marquis® publications can be viewed at the official Marquis Who's Who® website, www.marquiswhoswho.com.

# # #