Born in Fresno, California, but moved around several times as a kid, living in Arizona, New Mexico and Texas. Poulson went Tascosa High School in Amarillo, Texas and to the University of Texas at Austin, where he received degrees in Radio-Television-Film and English. After graduating, Keith was hired on by the Austin Film Society, a non-profit founded by Richard Linklater.
Project Space 13
As Nate
What Doesn't Float
The Sweet East
As Keith
The Feeling That the Time for Doing Something Has Passed
As Simon
Somebody Up There Likes Me
As Max
Metal Myths: Ghost Pt. 2
As L.H. Kernson
Hellaware
As Nate
RSO [Registered Sex Offender]
As Younger Brother
Listen Up Philip
As Josh
The Color Wheel
As Norton's Sidekick
Harmony and Me
As Wes
Fire Burning
As Sheriff Dean
Between the Temples
As Bartender
Bubblegum and the Texas Belt Buckle
As Nice Cop
Queen of Earth
As Keith
The Sixth Year
As Chris (fifth segment)
High and Dry
As Clark
Lace Crater
As Keith
Eephus
As Derek DiCapua
Mercury Plains
As Naylor
Little Sister
As Jacob Lunsford
Dogwalker
The Life of David Gale
As College Student / Activist (uncredited)
Pavements
Jobe'z World
As Frank
Dramatic Relationships
Bad at Dancing
As Matt
Hermia & Helena
As Lukas
Unpresidented
As Jay
Snowy Bing Bongs Across the North Star Combat Zone
As Producer
Golden Exits
As Peter
Notes on an Appearance
As Todd
The Great Pretender
As Chris
Cheer Up Baby
Her Smell
As Keith the Engineer
Lost Holiday
As Sam
My Entire High School Sinking Into the Sea
As Senior Craig (voice)
Frances Ferguson
As Nick
Stinking Heaven
As Jim
Bennifer
As Jed
PVT Chat
As Duke
Chained for Life
As An Asshole
The Knot
Victor in Paradise
As Crook
I Blame Society
As Keith
We Are
As Doug
Red Flag
As Phil
Thirst Street
As Karaoke Keith (uncredited)
Summer of Blood
As College Dropout
Wild Canaries
As Man on Cellphone
Ghostwritten
As Ghost hunter
Mozart in the Jungle
As Derrick