Categories Finance Company Work hours Add information About Zack Diener is a Branch Manager and Mortgage Consultant based in Honolulu. A top producer and proven expert in his field, Zack has helped hundreds of homeowners through the financing process. Check back often for the latest market info! Description Add information Awards We have a "A" rating with the Better Business Bureau Products Residential home loans for purchase or refinance. Products include...Conforming, VA, USDA, FHA, Jumbo & Super-Jumbo loan programs.