Dr. Mark Seidler has three decades of experience as a strategic advisor to senior executives in Europe, North America, and Asia. He has led the firm’s European operations since 2012.

MENLO PARK, Calif. – October 20, 2020 – Management consulting firm Strategic Decisions Group (SDG) today announced that Mark Seidler has been named as Chief Executive Officer. Carl Spetzler, who as one of four original founders has led the firm since 1981, will continue as chairman.

Mark Seidler

Dr. Mark Seidler has assumed the position of CEO of Strategic Decisions Group.

Dr. Seidler has nearly 30 years of experience in structuring, developing, and optimizing strategies for capital-intensive companies in Europe, North America, and Asia. He rejoined SDG in 2012 to lead the firm’s life sciences practice and to establish the firm’s first office on the European continent, in Düsseldorf.

“Mark is the right leader to drive the firm’s next stage of growth and innovation,” said Dr. Spetzler. “Mark’s extraordinary attention to client service, his deep appreciation of decision science, and his track record of developing young professionals will propel SDG to its next stage.”

“I am honored with the confidence that Carl and the board of directors have shown in electing me to lead this business,” said Dr. Seidler. “I look forward to continuing the uniquely collaborative culture that has been the firm’s hallmark while advancing our mission of serving decision-makers in their search for value-creating opportunities under conditions of complexity, uncertainty, and change.”

Dr. Seidler will continue in his client-facing role while assuming CEO duties for the firm. Dr. Spetzler, who has served as CEO for 32 years, will continue to serve clients and focus on publishing and speaking in his role as a thought leader in decision science.

Dr. Seidler has extensive experience in the development and application of decision methodologies to transform corporate business portfolios. He has a strong track record of working with clients to build high performance teams. Prior to rejoining SDG in 2012, Dr. Seidler was a senior principal with IMS Health, a US-based data and information provider. He began his consulting career at SDG in 2001 after holding a variety of positions at Bayer AG in Germany, both in business operations in product development and production as well as in pharmaceutical and corporate strategy departments.

Dr. Seidler holds a PhD in chemistry from the University of California at Berkeley and a BS in chemistry from the California Institute of Technology. He is married with three adult daughters and resides in Düsseldorf.

About Strategic Decisions Group

 Founded in 1981, Strategic Decisions Group is a strategy consulting firm renowned for its expertise in strategic decision-making, risk management, and value creation. Through a collaborative, team-based approach, SDG helps its clients find innovative, creative strategies to thrive today, while also helping them build internal competencies and more effective decision-making processes to meet competitive challenges in the future. A unique combination of analytic skills, strategy-development techniques, and industry experience makes SDG a preferred strategy consultant to the global Fortune 500.