Louie sought knowledge and mentorship from coaches in Bulgaria and the former Soviet Union, learning about their advanced training methodologies and techniques. These interactions heavily influenced the development of the Conjugate Method.

Louie trained and collaborated with numerous elite powerlifters, including Chuck Vogelpohl and Jim Wendler. These relationships provided valuable insights and helped refine the training system.

Westside Barbell partnered with equipment manufacturers to develop and market specialized training tools, such as reverse hyper machines and bands. This helped expand the reach of Westside's training philosophy.