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Meet the Speakers


At the recent event, leaders from Lenovo, Cisco, and DHL discussed tackling circular economy challenges and scaling sustainable initiatives. Find out more about the full list of speakers from the Delivering on Circularity event below.

Alexander Gunde

President Global Technology Sector - DHL, Customer Solutions and Innovation

After earning a Business Administration degree in Wiesbaden, Germany, Alexander began his career in 1996 in San Sebastián, Spain, as International Manager of the family-owned parcel service Guipuzcoana S.L. He successfully connected the company to a European parcel network by joining the Eurodis group in 1998. As Quality Manager, he contributed to harmonizing with DHL's Europack network. In 1999, Alexander joined DHL Worldwide Express Germany, holding various sales and customer management roles. He became VP of German Automotive in 2009 and later led the Technology sector for EMEA until June 2019. Since July 2019, he has served as Sector President for Technology.

Claudia Contreras-Gomez

Executive Director, Global Sustainability Services - Lenovo

Claudia is the Executive Director of Global Sustainability Services at Lenovo and a passionate sustainability advocate who believes in the power of purpose and collaboration. Her diverse roles across various organizations and geographies have given her a unique perspective, enabling her to lead transformational initiatives aimed at circularity and reducing e-waste. A California Bay Area native, Claudia holds a business degree from ITESO Jesuit University and certifications in Circular Economy and Sustainable Business Strategies from Cambridge University and Harvard Business School. She lives in Cary, North Carolina, with her husband and three active young children.

Jack Allen

Head of Supply Chain Sustainability, Circular Economy, Security, Risk, and Resiliency - Cisco Systems

Jack has spent 33 years in supply chain at Cisco, covering nearly every function. He and his teams have run factories, implemented systems, integrated acquisitions, managed materials, and delivered products globally. As an innovator and serial entrepreneur, Jack has founded two companies still in operation and recently managed supply chain Innovation Centers in Istanbul and Houston. A sought-after speaker on digital disruption in supply chains, he frequently appears in magazines and conferences discussing Cisco’s IoT initiatives. Jack and his wife teach robotics to kids to promote STEM competency, especially among minorities and girls.

Scott Allison

Chief Customer Officer, Service Logistics - DHL Supply Chain

Scott Allison is a member of the DHL Service Logistics and DHL Customer Development Boards, overseeing all customer relationships and commercial activities within DHL Service Logistics. With over 30 years of supply chain experience, Scott joined DHL Group in 1992, working in both DHL Global Forwarding and DHL Supply Chain before transitioning to commercial and strategic roles in the early 2000s. His last position involved leading DHL’s global Life Sciences & Healthcare Sector. Originally from Scotland, Scott has lived in Dallas, Texas, with his family since 2013.