Dennis Olson (fighter), Date of Birth, Place of Birth
TweetDennis Olson (fighter)
American mixed martial arts fighter
Date of Birth: 20-Mar-1986
Place of Birth: Amherst, New Hampshire, United States
Profession: mixed martial artist
Zodiac Sign: Pisces 
About Dennis Olson (fighter)
- Dennis Olson is an American mixed martial artist currently competing in the Middleweight division.
- A professional competitor since 2006, he has formerly competed for Bellator and CES MMA.
Read more at Wikipedia