Following his studies in Economics at the Ludwig Maximilian University in Munich, Marcus Schreiber worked as Purchasing Director at Siemens AG until 2001, before founding TWS Partners AG together with the current President of the ZEW (Centre for European Economic Research), Prof Achim Wambach. Marcus Schreiber is a thought leader and visionary who has led the development of commercial applications of game theory for businesses and has helped organisations to master the strategic challenges of our time. With his unwavering belief in the transformative power of game theory, and his constant drive to push the boundaries of what is possible, Marcus Schreiber inspires companies and leaders to break new ground and find innovative solutions.

Dr Andreas Engel completed his doctorate in applied game and auction theory after studying business administration. As an expert, he supports large corporations and medium-sized companies in developing innovative solutions for strategic challenges in changing markets, thus ensuring their long-term success. In addition to complex strategic negotiations and auctions, he is passionate about the sustainable empowerment of organisations, strengthening strategic decisions with digital solutions and sustainability initiatives. Always with a clear focus on translating the application of game theory into measurable client success.

Dr Alexander Klein studied economics in Bonn, Berkeley and Munich and completed his doctorate in game theory, contract theory and the economics of law at Ludwig Maximilian University in Munich. After five years as a consultant and project manager at McKinsey, he joined TWS Partners in 2005. His work focuses on procurement negotiations and tenders in competitive situations, strategic 1:1 negotiations and sales strategies. With his expertise, unwavering ambition and unparalleled passion, he is the ideal partner for companies looking for unique and innovative approaches.

Dr Sebastian Moritz completed his doctorate in supply chain management after studying applied game theory in Germany and Canada. As an expert, he supports blue chip organisations and Executives worldwide and across sectors in strategic negotiations, the design of incentive systems, transformation processes and sustainability initiatives. As a game theorist, he is passionate about finding new solutions and rethinking the status quo. Projects he supported won several prestigious awards for their innovative character and the successes they have achieved.

Isabelle studied Business Administration at both the University of Mannheim and the ESCP. Afterwards she has worked in the fields of strategic consulting and venture capital. At TWS Partners, Isabelle has gained experience in complex strategic purchasing negotiations, sales and coaching. Isabelle manages the HR department for TWS Partners.

Patrick graduated from LMU Munich in Business Administration with a focus on innovation & technology management. He leads large purchasing projects and develops negotiation approaches within highly complex purchasing situations. In addition, he consults sales organisations in tendering situations.

Mirza studied Economics with focus on contract and incentive mechanisms at the LMU in Munich. Prior to joining TWS Partners, he worked in the corporate finance industry specialised on private equity investments. Today, Mirza supports his clients in complex contract negotiations and fosters strategic thinking in their organisations.

Dhia holds a PhD in mathematics from the University of Tübingen. As an expert in developing tailored negotiation strategies for both monopolistic and competitive negotiations, he leads large procurement projects for different clients and in various sectors with a focus on automotive industry and logistics. In addition, Dhia enjoys customising negotiation trainings, workshops, and courses to various clients and organisations.

Birgit studied business administration and holds a PhD in economics. During her time in academia her main focus in research and teaching lay on applied game theory, law & economics, and managerial economics. Today, Birgit supports her clients as an expert in applied market design and game theory – often in strategic Procurement, and also covering other fields of strategic decision and transformation.

Sarah studied Economics at the University of Maastricht and Hong Kong University of Science and Technology. She holds a PhD in Economics from the Pennsylvania State University. Before joining TWS she was an assistant professor of Economics at the Aarhus School of Business focusing on the application of game theory to resource allocation problems. Today, Sarah supports her clients in all topics related to procurement and supply chain strategy, with a focus on complex negotiations, both in competitive markets and in bilateral settings.

Oliver studied Philosophy and Physics in Regensburg, Munich, and Berkeley and holds a PhD in Theoretical Physics. With a focus on strategy consulting in competitive situations, he consults major international companies.

Simon studied Mathematics at TU Berlin and the University of Queensland. He supports German as well as international large corporations in Europe and the world in strategic projects and complex decisions.

Dieter studied supply chain management at the Salford University Business School. Before joining TWS Partners, he worked in various strategic Procurement roles, optimising category strategies, sourcing projects and negotiation activities across various industries. Today, Dieter supports clients with highly effective strategic bilateral and multilateral negotiations strategies. Using his economic mindset and game-theoretic approaches he helps them to optimise their procurement activities by enabling supplier negotiation events, market making activities and contractual excellence. Dieter also leads TWS’ activities in The Netherlands.

Armin has more than 20 years of experience helping Fortune 500 companies with high-stakes negotiations in procurement and sales, combining advanced analytics with game-theoretic methods and psychological negotiation techniques. Armin has supported more than 1,000 negotiations on both the Procurement and Sales side, securing market leading commercials conditions for his clients and developing an impressive track record of closing deals. Today, Armin uses his extensive experience to head TWS' business development activities in Switzerland.