Markell’s work is thematic and often historical, telling a visual story with beautiful and subtle details. Her collage artwork can be seen in the Internet Café on the Grand Princess Cruise Ship, and over 300 original works of art are on permanent installation at the Merv Griffin’s Beverly Hills Hilton Hotel in Beverly Hills, California. Her largest work is a mixed media wall mural commissioned by the Staples Center in Los Angeles, California.

Markell’s expressive collage works also appear in the collections of Toyota Corporation, Honda Corporation, Dean Witter, Samsung and Union Pacific.