Colleen Sheffield

operations specialist at Ameren Corporation

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Colleen Sheffield Email & Contact Information

Colleen Sheffield Current Workplace: Ameren Corporation

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Chairman, President/CEO

Executive VP, CFO, Ameren Corp., President, Ameren Services

manager

capacity trader / Sr. RTO specialist

Director, Identity and Access Management

Communications Strategist

Managing Supervisor

SAN Administrator

Supervisor of GIS Mapping

Manager Infrastructure Operations