Corey Sienko is a cybersecurity and fraud prevention expert with over 20 years of experience at the intersection of enterprise communications, financial operations, and risk management.

As VP of Sales Engineering at Trustmi, he works closely with CFOs, finance leaders, and security teams to prevent payment fraud and protect organizations from increasingly sophisticated social engineering and business email compromise attacks. He specializes in aligning security strategies with financial controls—translating complex threats into measurable business risk and enabling proactive, real-time protection before money leaves the organization.