Live feed09:00:00·2hPRReleasevia QuantisnowCallan JMB Designates Andy Weigman to Join Callan Power's Oil and Gas Development Efforts; Weigman Brings Experience on More Than $1 Billion in Sourced Acquisition Opportunities and Extensive Williston Basin Operational ExpertiseByQuantisnow·Wall Street's wire, on your screen.CJMB· Callan JMB Inc.Real Estate