Former professional MMA Fighter and amateur boxer takes us through his journey from his post college graduate days of hard core drug addiction and alcoholism to sobriety and the competitive sports world of amateur boxing and professional MMA fighting, only to be sidelined by a devastating Traumatic Brain Injury (TBI) from repeated blows to the head. Author Mark Allen was born and raised in Washington, DC and has lived in Chicago the past twenty years, post graduation from the University of Chicago with a bachelors degree in Economics.