He joined ROSS in February 1998 as a lab assistant in the company's Test & Development Center.
Since then, Langhorn has worked on various projects to improve the ROSS product line, most notably the HV Blades, Mega Shear and the Inline SLIM technologies.
He was instrumental in preparing application reports along with technical briefs to educate the ROSS sales force.
In December 1999, Langhorn was promoted to product manager of High Shear Mixers, High Speed Dispersers, Multi-Shaft Mixers and Three Roll Mills.
Named technical director in June 2006, he assumed the responsibility of managing the Test & Development Center.
In this role, he worked side-by-side with customers on over 150 tests annually, his contributions directly impacting the development of many new products and novel formulations.