Experienced team of local loan officers who have specialized in HECM reverse mortgage that are regulated and insured by the federal government.LeaderOne Financial Corporation 11020 King St, Suite 390 Overland Park, KS 66210 NMLS # 12007. PA State License # - 33095 - Licensed as a first mortgage banker by the Department of Banking. Gregory McDermott NMLS # 420693. Address displayed is not a LeaderOne Financial Corporation office. This office is an office in my home that operates as an annex to our branch location.