Location: Norwalk, Conn.
Expertise: Oil and gas investments
Gillon directs coverage of exploration and production companies. He also is responsible for the weekly Herold Oil & Gas Perspectives and is the author of Herold’s quarterly and year-end analysis of oil and gas company stock market performance.

Location: Norwalk, Conn.
Expertise: Energy mergers and acquisitions
Sheehan is responsible for analysis of global upstream, midstream, downstream, oil field, power, coal and alternative energy transactions. He is the author of Herold’s annual Global Upstream M&A Review.

Location: Norwalk, Conn.
Expertise: Downstream operations and companies
Parry covers major international integrated and petrochemical companies. He is IHS Herold’s most experience analyst for independent refiners and petrochemical companies.