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John R Ambroseo

Board Members

Board Members - John R. Ambroseo, PhD Mr. Ambroseo has served as our President and Chief Executive Officer as well as a member of the Board of Directors since October 2002. Mr. Ambroseo served as our Chief Operating Officer from June 2001 through September 2002. Mr. Ambroseo served as our Executive…

Executive Officers

Executive Officers - John R. Ambroseo, PhD - President & Chief Executive Officer Mr. Ambroseo has served as our President and Chief Executive Officer as well as a member of the Board of Directors since October 2002. Mr. Ambroseo served as our Chief Operating Officer from June 2001 through…

32311a coverSinglesRR.indd

32311a coverSinglesRR.indd

…December 1, 2015 By: /s/ JOHN R. AMBROSEO
John R. Ambroseo
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears
below hereby constitutes and appoints John R. Ambroseo and Helene Simonet, and each…

Coherent

Coherent

…November 25, 2014 By: /s/ JOHN R. AMBROSEO
John R. Ambroseo
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears
below hereby constitutes and appoints John R. Ambroseo and Helene Simonet, and…

34706a cover.indd

34706a cover.indd

…November 29, 2016 By: /s/ JOHN R. AMBROSEO
John R. Ambroseo
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears
below hereby constitutes and appoints John R. Ambroseo and Kevin Palatnik, and…

an rep 2018 workfile 02

an rep 2018 workfile 02

…November 27, 2018 By: /s/ JOHN R. AMBROSEO
John R. Ambroseo
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears
below hereby constitutes and appoints John R. Ambroseo and Kevin S. Palatnik, and…

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