Dr. Seyhan Nuyan

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Retired from Valmet in 2022 after 43 years of service in various roles: from R&D to Product and Sales Management, Marketing, and Executive Management, in Canada, Finland, and the US. Seyhan received his Ph.D. in Control Eng. from The Univ. of South Carolina.

Published over 200 papers, and made various book contributions including coauthoring Vol I & II of “TAPPI Paper Machine Quality Control Systems Handbook” (2010, 2023). Seyhan has been granted 4 control system patents, 

Member of the 2015 Centennial class of TAPPI Fellows, served in the TAPPI Process Control Div. Leadership in different roles including as its Chair 2014-16 and was TAPPI Steering Committee Chair for PaperCon 2018.

As a member of PAPTAC, contributed to the “Theory & Practice of Papermaking courses for 15 years and has been an active member of the CPPA/PAPTAC Process Control Committee. He is a Life member of IEEE and Sigma Xi. Since 2014, he serves on the Board of Finnish American Chamber of Commerce, Southeast. Seyhan is listed in “Who’s Who in Science & Engineering” & “Who’s Who in America”.

In 2005, Seyhan received a presidential medal of honor, the Order of the Lion of Finland (Knight, First Class). He is the recipient of TAPPI's 2024 Gunnar Nicholson Gold Medal Award.


University of South Carolina, College of Engineering
Columbia, South Carolina, United States
Ph.D. (1978), MSc. (1974)
Control Engineering, Electronics Design
Dissertation: Adaptive Observers and Controllers with an Arbitrarily fast Exponential Rate of Convergence

Middle East Technical University (METU)
Ankara, Turkey
B.S., 1972
Electrical and Electronics Engineering
1967 To 1972

IMD International & Flist Leadership Academy
Leadership Certificates, 1996
Business Admin and Leadership

Job History

Valmet, Inc
Director, Sales and Applications
Atlanta, GA, United States
September 2016 - February 2022

Valmet / Metso
Head, Pulp and Paper Applications
October 2014 - September 2016

Metso Automation, NA
VP, Quality Management Solutions
February 2014 - October 2014

Metso Automation
Dir., P&P Applications (US/NA/Americas/Global)
January 2006 - February 2014

Metso Automation
Business Manager, Quality Control Systems
Tampere, Finland
September 2002 - December 2005