THE CO-OWNER OF "YESCO," A NEARLY 100-YEAR-OLD CUSTOM ELECTRIC SIGN COMPANY, FACES HIS FEAR OF HEIGHTS WHEN CHANGING LIGHTS ON HIGH OUTDOOR SIGNS, ON "UNDERCOVER BOSS," FRIDAY, JAN. 15

"YESCO" - Jeffrey S. Young, co-owner of YESCO, a custom electric sign company that fabricates, installs and provides service for signs, electronic display systems and lighting, has to face his fear of heights when tasked with changing a light high above downtown Chicago, on UNDERCOVER BOSS, Friday, Jan. 15 (8:00-9:00 PM, ET/PT) on the CBS Television Network. An heir to YESCO, which was founded by Jeffrey's grandfather in 1920 and created the iconic "Welcome to Las Vegas" sign, Jeff goes undercover to meet the employees who are keeping the lights on at his family's ever-growing company.

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