Was the head writer and producer of The David Letterman Show for which she won several Emmys for comedy writing. She was a regular contributor to Not Necessarily the News and wrote and performed in several comedy specials for HBO, winning Writer's Guild and Ace Awards. She has been a regular contributor to magazines such as New York Woman and Woman's Day and her essays appeared in several other national magazines as well. She is the author of What the Dog's Have Taught Me and Other Things I've Learned, How to be Hap-Hap-Happy Like Me, Merrill Markoe's Guide to Love and a children's book, When My Dogs Became Guys. Current work from Merrill Markoe can be found at Oxygen: The Read. She lives in Los Angeles.