Sign Up for Our E-News!

Join over 18,000 other roofers who get the Week in Roofing for a recap of this week's best industry posts!

RoofersCoffeeShop.com > Newsroom > People on the Move > Nestor Duran named new vice president of engineering at Johns Manville

Nestor Duran named new vice president of engineering at Johns Manville

Johns Manville Nestor Duran Named New Vice President of Engineering

September 30, 2025 at 10:00 a.m.

He will be responsible for all aspects of Capital and Furnace Engineering, including the development and execution of capital projects and driving excellence and standardization across the engineering discipline.

Nestor Duran will join Johns Manville as vice president of engineering, effective September 2. He will succeed Mark Charbonneau, who announced his retirement earlier this year.

In this role, Nestor will report to CEO Bob Wamboldt and lead JM’s global engineering organization. He will be responsible for all aspects of Capital and Furnace Engineering, including the development and execution of capital projects and driving excellence and standardization across the engineering discipline. His leadership will be instrumental in delivering projects that align with our business goals and meet customer needs.

Nestor has over 20 years of experience in the manufacturing industry with Owens-Illinois. Over the past eight years, he has held senior and executive engineering roles, managing a portfolio of more than $2 billion in capital projects. Earlier in his career, he held positions of increasing responsibility in manufacturing and engineering across South America.

Nestor earned a degree in Computer Science Engineering from UNEFA in Venezuela and is certified in Lean Six Sigma (Green Belt) and Project Management (PMP).

About Johns Manville

Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer and marketer of premium-quality products for building insulation, mechanical insulation, commercial roofing and roof insulation, as well as fibers and nonwovens for commercial, industrial and residential applications. JM serves markets that include aerospace, automotive and transportation, air handling, appliance, HVAC, pipe and equipment, filtration, waterproofing, building, flooring, interiors and wind energy. In business since 1858, the Denver-based company has annual sales over $3 billion and holds leadership positions in all of the key markets that it serves. Johns Manville employs 8,000 people and operates 46 manufacturing facilities in North America, Europe and China. Additional information can be found at www.jm.com.