Nathiel G. Egosi, P.E. is President and Chief Executive Officer of RRT Design & Construction, a national leader in the engineering and construction of solid waste processing and recycling facilities and CEO of RRT SIGMA, a power engineering company specializing in distributed energy generation.

Since founding RRT in 1989, Mr. Egosi has led the development and construction of over 150 greenfield material recycling facilities nationwide as well as retrofits, expansions and upgrades at over 500 recycling facilities, and has pioneered the development of advanced technologies for the recycling, paper and solid waste industries. He is widely recognized as an expert in process engineering and equipment design for the recovery of materials from solid waste and refining them for re-use.

Mr. Egosi is a registered Professional Engineer in 27 states.