Emerson Promotes Leadership within Pipe and Electrical Solutions Group

EIN King Trefz emerson 400

Dec 16, 2019

Emerson has promoted Justin King to Vice President of Engineering and Rob Trefz, Vice President of Marketing for their professional tools business. The promotions will aid the company in creating synergies between their RIDGID and Greenlee brands. Emerson’s professional tools business also includes the Klauke brand.

Both King and Trefz bring extensive leadership skills and experience working for Emerson brands to their new roles. In their positions, King will lead the development and evolution of the entire Professional Tools line of Pipe and Electrical products, including RIDGID and Greenlee. Trefz will oversee all product management, product marketing and marketing strategy; assuring the products meet the needs of tradespeople worldwide and that the benefits are effectively communicated.

King has worked with Greenlee since 2007, joining the company as Country Manager for China; he then held various roles in strategy and business development, product management, and engineering. Following Emerson’s acquisition of Greenlee in 2018, King became Director of Engineering and Innovation for Greenlee within the Professional Tools business.

He has a Master of Business Administration degree from London Business School in the UK and a Master of Science in Mechanical Engineering degree from the University of Michigan, Ann Arbor. King also holds a Bachelor of Science degree in Mechanical Engineering from Brown University.

Trefz has worked with Emerson since 2004, joining the company as a Global Commodity Manager.  He held procurement roles for Emerson and their motor division before moving into various marketing and business development roles at RIDGID. He most recently held the position of Vice President of Marketing for Greenlee.

Trefz is a licensed Professional Engineer, has a Bachelor of Science degree in Mechanical Engineering and a Master of Business Administration degree from Case Western Reserve University in Cleveland, Ohio.

Photo: Justin King (Left) and Rob Trefz (Right)

Related Articles


Latest Articles


Changing Scene

  • Siemens to Establish Global AI Manufacturing Technologies R&D Center for Battery & EV Production in Canada

    Siemens to Establish Global AI Manufacturing Technologies R&D Center for Battery & EV Production in Canada

    May 26, 2025 Siemens will invest CAD $150 million over five years to establish a Global AI Manufacturing Technologies Research and Development (R&D) Center for Battery Production in Canada. The new R&D center, located initially at Siemens Canada’s head office in Oakville, as well as in Toronto and Kitchener-Waterloo, Ontario, will focus on developing cutting-edge AI manufacturing technologies with an initial emphasis… Read More…

  • Honda Postponing Ontario EV Supply Chain Investment by Two Years

    Honda Postponing Ontario EV Supply Chain Investment by Two Years

    May 26, 2025 Honda is postponing its plan to invest in a comprehensive EV supply chain in Ontario. The CBC reported that the investment is being push back by two years. “Due to the recent slowdown of the EV market, Honda Motor has announced an approximate two-year postponement of the comprehensive value chain investment project in Canada…. Read More…

  • Serge Leblanc Named Sonepar Canada Interim President

    Serge Leblanc Named Sonepar Canada Interim President

    May 26, 2025 George McClean, former President of Sonepar Canada, has decided to leave Sonepar for an opportunity outside of the electrical industry. Serge Leblanc, current President of Lumen Canada, has been appointed interim President of Sonepar Canada. Leblanc will manage both responsibilities until a successor is named.  Leblanc joined Lumen in 1997 and has… Read More…

  • Ontario Building and Construction Tradeswomen Head to Queens Park to Advocate for Safer, More Inclusive Job Sites

    Ontario Building and Construction Tradeswomen Head to Queens Park to Advocate for Safer, More Inclusive Job Sites

    May 26, 2025 On Monday, May 26, the Ontario Building and Construction Tradeswomen (OBCT), will host its first-ever Advocacy Day at Queen’s Park. Tradeswomen from across the province will gather to meet with Members of Provincial Parliament, including Minister of Labour David Piccini, to advocate for progress in the skilled trades for tradeswomen. OBCT’s top priorities include:… Read More…