fxguide and fxphd
Sphere VFX highly recommends fxguide and fxphd.

Matt Leonard (head of training) has worked closely with fxphd and fxguide for over 7 years and has served as one of their Professors teaching a range of class including:
MYA203 – Intermediate Maya II
MYA203 – Intermediate Maya III
FUS101 – Introduction to Fusion
MAY101 – Introduction to Maya
TOX201 – Toxik and Maya Integration (with Sébastien Jacob)
FUS201 – Intermediate Fusion
MAY206 – Maya Animation & Compositing: Red Dwarf
FUS202 – Intermediate Fusion 6
MYA301 – Maya in Production: Moving Day
MYA102 – An Introduction to Maya 2011
MYA212 – Integrating Maya and Nuke
MYA213 – Maya Rendering and Lighting
MYA103 – Introduction to Maya 2012 I
MYA104 – Introduction to Maya 2012 II
NUK219 – Working with Advanced VFX Tools (with Tahl Niran)
KAT101 – Introduction to Katana
KAT201 – Intermediate Katana
NUK901 – NUKE for Trainers Level One
NUK902 – NUKE for Trainers Level Two
NUK903 – NUKE for Trainers Level Three
NUK904 – NUKE for Trainers Level Four
NUK221 – NUKE 7 and modo Workflow (with Ben Greasley)
VFX102 – The History of Visual Effects
ARN201 – Real World Lighting and Rendering with Arnold
MYA220 – Maya Foundations: Modeling
MYA221 – Maya Foundations: Animation
Matt is very pleased to be a close personal friend of Mike, John and Jeff and has worked alongside them on a number of productions including:

Matt has had the opportunity of writing a number of articles for fxguide including coverage for Siggraph 2012 and FMX 2013.
Also Matt has appeared on the VFX Show covering:
#133: Star Wars Blu-ray Release (September 2011)
#137: Anonymous (November 2011)
#140: Mission: Impossible Ghost Protocol (January 2012)
#143: Men in Black 1 & 2 (March 2012)
#147: The Avengers (May 2012)
#148: Men In Black 3 (May 2012)
#151: The Amazing Spider-Man (July 2012)
#157: Looper (October 2012)
#158: Skyfall (November 2012)
#165: Oz the Great and Powerful (March 2013)
#184: X-Men: Days of Future Past (June 2014)
Partners
Sphere VFX is also delighted to be working closely with Pixar, The Foundry, Solid Angle, and Peregrine Labs.

We’ve had the pleasure of speaking on behalf of and demoing for both The Foundry and Solid Angle over the years.