The Sixth International Conference on Value Chain Sustainability (ICOVACS 2015), held at Marmara University in Istanbul on March 12–13, 2015, focused on the theme “Performance Measurement in Operations Management.” Organized in collaboration with universities from Turkey, the Netherlands, and the USA, the conference continued a series dedicated to promoting sustainable value creation across global industries. All submitted papers were peer-reviewed, with accepted works published in the Conference Proceedings. The event featured keynote lectures by leading scholars, and fostered collaboration among academics, industry professionals, and policymakers to advance sustainable and high-performing value chain practices.