Keith Elliot Fischer

Cornerstone Building Brands, Inc. engages in the design, engineer and manufacture of external building products. It operates through the following segments: Aperture, Surface and Shelter Solutions. The Aperture solutions offers windows and doors at multiple price tiers for residential new construction and residential repair and remodel end markets primarily in the United States and Canada. The Surface solutions includes Siding and accessories, Cellular PVC trim, Vinyl fencing and railing, Stone veneer & Gutter protection. The Shelter solutions designs, engineers, manufactures and distributes an extensive line of building products for the low-rise commercial construction market under multiple brand names and through a nationwide network of manufacturing plants and distribution centers. The company was founded by Johnie Schulte in 1984 and is headquartered in Cary, NC.

Robertson-Ceco Corp. manufactures and installs custom-engineered metal buildings for commercial and industrial uses. It sells its products in the US and Canada and through direct sales and local dealers in Asia. The company was founded by C. Louis Meyer in 1912 and is headquartered in Chicago, IL.

Metal Building Components LP manufactures metal roof, seam roofing and wall systems. It provides metal building components such as roofing, siding and light gauge framing. The company was founded in 1976 and is headquartered in Houston, TX.

Elystan Capital Partners GmbH operates as a real estate investment company. It invests and manages and develops commercial and office real estate properties. The company was founded by by Robert Grassinger, Ulrich Kastner and Keith Elloit Fischer in 2010 and is headquartered in Unterfoehring, Germany.