Mike Leitl, formerly of Cedarburg, passed away unexpectedly at his residence in Miami, Florida, over the weekend. He was 34 years old and is remembered and loved as a selfless, brilliant, quirky, and loving son, brother, uncle, and friend. Mike was born in Milwaukee on February 6, 1983, son of David and Lori Murphy Leitl. The family moved to Cedarburg area in 1991, and Mike began attending local schools. He graduated from Cedarburg High School in 2001 and went on to earn his bachelor's degree from Washington State University in 2005. Mike accepted a position with Merck Pharmaceuticals in Lansdale, PA and continued on to earn his master's from Lehigh University in 2009. In 2015 he earned his PhD in Pharmacology/Toxicology from Virginia Commonwealth University. Mike had a passion for learning and continued to pursue knowledge as a medical researcher at the University of Miami. Most recently, Mike was working as a cancer researcher at the University's Medical College. Mike loved sports, especially college football and the Green Bay Packers. In his youth he enjoyed golfing (he got a hole-in-one at the age of thirteen), playing soccer and baseball. Survivors include his parents, David and Lori Leitl of Cedarburg, sister Meghan Leitl and her daughters Becca & Brooklyn Ferry, also of Cedarburg and sister Tracy Leitl (fiancé Nick Hamel) of Minneapolis, MN. He is further survived by aunts and uncles: Mark (Tana) Murphy of Portage, Mike (Missy) Murphy of Venice, FL, Mike G. (Sharon) Leitl of Lansdale, PA, and Rose (the late Robert) Leitl of Oshkosh, cousins, other family and many friends. He is preceded in death by his grandparents William & Patricia Murphy and Roland & Mertie Leitl, and uncle Joseph Leitl. A Mass of Christian Burial will be celebrated at 12 noon on Tuesday, December 5th, at St. Francis Borgia Catholic Church North, 1375 Covered Bridge Road, Cedarburg. Father Tom Eichenberger will preside. The family will receive visitors at the CHURCH on Tuesday beginning at 11AM. The service will begin at 12 noon and be followed by a luncheon. Memorials in Mike's name are suggested to Cancer Research at the University of Miami (www.research.med.miami.edu), Journey House (www.journeyhouse.org), the Cathedral Center (cathedral-center.org), 21st Century Academy (www.21stcentury.academy) or Breakthrough Twin Cities (www.breakthroughtwincities.org). The Eernisse Funeral Home in Cedarburg is assisting the family with arrangements. Online condolences may be left at www.eernissefuneralhome.com .