Peter Sieper

Peter Sieper is an accomplished designer with extensive experience in the fashion and apparel industry. Currently serving as a Designer at J. Press since July 2025, Peter focuses on creating visual linesheets through sketches, graphics, and prints. As the Co-Founder and Designer at Owner Operator USA since January 2008, Peter showcases a unique approach to design. Previous roles include Belt Designer at Arcade Belt Co. and Development Product Designer for a confidential luggage and accessories line. Peter co-founded United Shapes Snowboards, managing the design process for eight seasons, and has held positions such as Menswear Designer at Outlier Incorporated, Boys Apparel Designer at Gap Inc., and Apparel Designer at J.Crew. Peter's early career included roles at HELMUT LANG and Polo Ralph Lauren®, complemented by a Mini MBA in Fashion Business from Design Entrepreneurs New York City and an Associate of Arts and Sciences from the Fashion Institute of Technology.