Following the recent appointment of Chair Helena Helmersson, Circulose is pleased to announce the addition of Sara Diez Jauregui and Kalyan Madabhushi to further bolster its Board of Directors. These additions provide top-notch knowledge throughout the value chain: While Kalyan has a noteworthy career at Aditya Birla Group, a global leader in the manufacture of cellulosic fibers, Sara provides a wealth of expertise working with top fashion and apparel brands.
With their knowledge of global value chains, fashion, and sustainability, Sara and Kalyan join the Circulose team at a critical juncture.
With a strong history in fashion, sports retail, and digital platforms, Sara brings a deep awareness of the sector and a dedication to sustainability.
“I am extremely grateful to Altor, Helena Helmersson, the chair of Circulose, and CEO Jonatan Janmark for this amazing opportunity. I am also extremely honored to be joining the board of Circulose.” It’s thrilling and motivating to be on a board with such accomplished people. I’m excited to work with the Circulose team to forward the goal of making circular fashion the rule rather than the exception. says Circulose Board Member Sara Diez Jauregui.
Kalyan’s expertise in the fiber and pulp industries, coupled with his strong leadership in driving circularity across global value chains, makes him an ideal addition to Circulose’s Board of Directors.
“I am delighted to join the board alongside Sara and under the leadership of Helena. Circulose’s combination of a strong owner like Altor, an energized team, and a commitment to learnings from past challenges is a recipe for success. A lot of great progress has already been achieved, and I am confident that Circulose is well-positioned to deliver measurable impact for our partners and customers. Together, we will continue to ensure Circulose’s role as a transformative force in the textile industry.” comments Kalyan Madabhushi, Board Member at Circulose.
About Sara Diez Jauregui
Sara Diez Jauregui is a leader and strategic advisor with over 20 years of executive experience in the fashion, sports retail, and digital platforms industries. Known for her passion for sustainability, Sara has built a distinguished career working with some of the leading companies such as Zara (Inditex), Nike, and Zalando. Currently serving as the CEO of The Post Fiber, she is at the forefront of driving sustainable innovation in fashion. Additionally, she serves on the Board of Directors of Revolution Race, advocating for responsible practices and transformative change in the sector.
About Kalyan Madabhushi
Kalyan Ram Madabhushi is a highly experienced CEO and Board Director with over 34 years of leadership in global businesses across diverse regions. Having held senior roles at Royal Dutch Shell and Aditya Birla Group (ABG), Kalyan has led transformation initiatives in the chemicals, fertilizers, and sustainable textile fibers sectors. He has served on multiple boards of international joint ventures and brings a strategic, results-driven approach to leadership. Kalyan holds an MBA in International Business and a Bachelor’s in Mechanical Engineering, in addition to completing executive programs at IMD Switzerland and the University of Oxford.
