Deric Michael Angelettie (born July 31, 1968), better known by his stage name D-Dot (also known as Mad Rapper, The Madd Rapper, Papa Dot, and D.O.P.), is an American music producer, songwriter, artist, manager, and entrepreneur from Brooklyn, New York City. He is a three-time Grammy Nominee and NARAS Award winner for "Producer of The Year" in 1998.

D-Dot began his career in 1990 as a rapper in the group Two Kings in a Cipher. The group released an album titled From Pyramids to Projects in 1991. D-Dot joined Bad Boy Entertainment in 1993 and was director of management and merchandising. D-Dot also managed Mary J. Blige from 1994-1996.

From 1996-1998, he was the "Captain" of Sean "Diddy" Combs' producing team: The Hitmen. As a producer, D-Dot produced and wrote multi-platinum songs for legendary artists such as Jay-Z, Mary J. Blige, Eminem, 50 Cent among many others. He produced and wrote mega hits such as Diddy's "It's All About The Benjamins". D-Dot has sold over 30 million records as a producer, songwriter and artist.

He created the character, Mad Rapper, ((who made his debut on Notorious B.I.G.'s LP, Life After Death)), and released an album, ''Tell 'Em Why U Madd'', on his Crazy Cat Catalogue record label distributed by Columbia Records in 2000. The album featured up and coming rapper 50 Cent on the song "How To Rob" and also introduced a young producer/rapper, Kanye West, who D-Dot also managed and mentored.

D-Dot co-hosted the television show Hip-Hop Hold 'Em in 2006 and was the "Music Consultant" for the movie, "Notorious", on Fox/Searchlight Pictures released in 2009.

D-Dot owns and runs Connect The Dots Consulting, LLC, a management and strategy company. Connect The Dots manages Grammy-Award winning and multi-platinum producer, Stevie J from VH1's, "Love & Hip-Hop-Atlanta".

D-Dot and his Crazy Cat record label will be releasing three projects commercially in 2013, with the first being Mad Rapper's sophomore LP, "Still Mad" in Summer 2013. He is married to Lisa Angelettie and has four daughters, Alexis, Autumn, Ali and Ava.