Sam’s Club is tweaking its advertising business. Just after completing his first 100 days on the job, Harvey Ma, Sam’s Club vice president and general manager of retail media, sat down with ADWEEK to talk through his vision for the retailer’s advertising business. Ma’s career began on the merchandising side of Target’s retail business. He…Sam’s Club is tweaking its advertising business. Just after completing his first 100 days on the job, Harvey Ma, Sam’s Club vice president and general manager of retail media, sat down with ADWEEK to talk through his vision for the retailer’s advertising business. Ma’s career began on the merchandising side of Target’s retail business. He… Read More