Colliers announces marketing team updates in Columbia office

February 19, 2024

Colliers | South Carolina announced Maryanne Grinnell has been promoted to Marketing Coordinator and Cooper Belle has been hired as Marketing Assistant in the firm’s Columbia office.

As a Marketing Coordinator, Grinnell supports property marketing and business development efforts for Colliers’ Retail Services Team in the Columbia office. Additionally, she works with the firm’s four South Carolina offices on the development and implementation of social media strategies. Grinnell also serves on the company’s annual United Way giving campaign committee.

“Maryanne has shown tremendous growth during her two years with Colliers,” said Liz McCary, Vice President of Marketing for Colliers | South Carolina. “We are excited to have her in this new role working with our retail team to apply best practices she has learned and taking on a more hands-on role with our company’s social media presence.”

As a Marketing Assistant for Colliers, Belle assists the marketing and industrial brokerage teams in Columbia by creating high-quality marketing materials and executing property marketing strategies through graphic design, digital marketing and content creation.

“We are excited to welcome Cooper to our team,” said McCary. “As a recent graduate, he brings a diverse skill set and fresh perspective to our team of 14 marketing staff across South Carolina.”

Grinnell and Belle are both graduates of the University of South Carolina’s Darla Moore School of Business with Bachelor of Science degrees in Business Administration with a concentration in Marketing.


About Colliers

Colliers | South Carolina is the largest full-service commercial real estate firm in South Carolina with 66 licensed real estate professionals covering the state with locations in Charleston, Columbia, Greenville and Spartanburg. Colliers is an Accredited Management Organization (AMO) through the Institute of Real Estate Management (IREM) and is the largest manager of commercial real estate properties in South Carolina with a portfolio of over 23 million square feet of office, industrial, retail and healthcare properties. Colliers’ staff hold the most professional designations of any firm in South Carolina. Colliers | South Carolina’s partner, LCK, provides project management services for new facilities and renovations across South Carolina.

Colliers (NASDAQ, TSX: CIGI) is a leading diversified professional services and investment management company. With operations in 66 countries, our 19,000 enterprising professionals work collaboratively to provide expert real estate and investment advice to clients. With annual revenues of $4.3 billion and $98 billion of assets under management, Colliers maximizes the potential of property and real assets to accelerate the success of our clients, our investors and our people. Learn more at, X @Colliers or LinkedIn.