Alex Vlachos
Seattle, WA
alex@vlachos.com
http://alex.vlachos.com
https://www.linkedin.com/in/alexvlachos/

CONFERENCE PRESENTATIONS:

PUBLICATIONS:

PATENTS:  

EDUCATION: Boston University, Boston, MA. Bachelor of Science (BS), Computer Science (May 1997).


EXPERIENCE

Microsoft, Partner Architect, Redmond, WA Jan 2020 - Present

Working in Microsoft Mixed Reality (HoloLens, VR, etc.)

Valve, Software Architect, Seattle, WA Oct 2006 - Sep 2019

Notable Projects:
  • SteamVR: Compositor, Chaperone, and other runtime systems (2015-2019)
  • SteamVR Media Player (2017)
  • Dota VR (2016) - First shown at The International Dota 2 Championships 2016
  • The Lab (2016)
  • The Lab Renderer for Unity (2016)
  • Aperture Science Robot Repair (2014-2015) - HTC Vive VR launch demo first shown publicly at GDC 2015
  • Dota 2 (2013)
  • Counter-Strike: Global Offensive (2012)
  • Portal 2 (2011)
  • Left 4 Dead 2 (2010)
  • Left 4 Dead (2009)
  • Source 2 rendering systems (2009-2012)
  • Team Fortress 2 (2006-2008)
  • Portal (2006-2008)
  • Half-Life 2: Episode Two (2006-2008)
VR Technology Highlights:
  • Motion Smoothing
  • Asynchronous Reprojection Scheduling & Running Start
  • Adaptive Quality
  • SteamVR Auto Resolution
  • Ghost Correction
  • Panel Masking
  • Edge Focal Blur
  • Dynamic Panel Masking
  • Hidden Area Mesh
  • Supersample Filtering
  • Multi-GPU Rendering Algorithms for 2 and 4 GPUs
  • Fixed Foveated Rendering
  • Radial Density Masking
  • Specular Antialiasing Using Roughness Filtered Mip Chains
  • Geometric Specular Antialiasing
Naughty Dog, Lead Visual Effects Programmer, Santa Monica, CA March 2005 - Oct 2006

I contributed to Uncharted: Drake's Fortune as the Lead Visual Effects Programmer focusing on rendering and shader development.

Game Development Start-up, Boston, MA Jan 2004 - Feb 2005

I was part of a start-up developing a game prototype for the Sony PSP.

ATI, Lead Programmer, Demo Team & 3D Application Research Group, Boston, MA Nov 1998 - Jan 2004

RADEON X800 Demo Suite - Lead Programmer & Technical Director:

RADEON 9800 Demo Suite - Lead Programmer & Technical Director:
RADEON 9700 Demo Suite and Screen Savers - Lead Programmer & Technical Director:
RADEON 8500 Demo Suite and Screen Savers - Lead Programmer & Technical Director:
Curved Surfaces:
Radeon's Ark, Launch demo for the ATI RADEON - Lead Programmer & Technical Director:
Spacetec IMC, Software Engineer, Boston, MA June 1997 - Nov 1998

SpaceOrb 360:
Spaceball 4000 FLX: