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Tortoise Investment Management LLC
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Justin Singer
Managing Director
Riva Roloff
Chief Operating Officer
Andrea Turley
Director
Brendan Blaney
Rochelle Yankwitt
Director Of Client Service
+ 5 more
Mike Mattern
Director – Technology & Operations
Current role
Chief Operating Officer at SecureCo
Chief Operating Officer at element8
Chief Operating Officer at Androvett Legal Media & Marketing
Chief Operating Officer at Sigan Industries Group
Chief Operating Officer at High Enroll, LLC