Billtrust Announces Greg Hanson as Chief Product Officer Amidst Ongoing Commitment to B2B Accounts Receivable and Integrated Payments Innovation Yahoo FinanceBilltrust Announces Greg Hanson as Chief Product Officer Amidst Ongoing Commitment to B2B Accounts Receivable and Integrated Payments Innovation Yahoo FinanceBilltrust Announces Greg Hanson as Chief Product Officer Amidst Ongoing Commitment to B2B Accounts Receivable and Integrated Payments Innovation Yahoo FinanceBilltrust Announces Greg Hanson as Chief Product Officer Amidst Ongoing Commitment to B2B Accounts Receivable and Integrated Payments Innovation Yahoo Finance