Michael Sull (born 1949) is an IAMPETH master penman and author living in Mission, Kansas, United States. An expert on penmanship, he was Ronald Reagan's calligrapher after his presidency and is known worldwide for his skill and teaching ability. He regularly teaches handwriting, calligraphy, and engrossing programs throughout the United States, Europe and Asia. Today, Sull serves as Master Penman for Zaner-Bloser, performing public demonstrations. He is also the current Academic Director of Ink.Academy. He currently resides with his wife, Debra, in Mission, Kansas.