Based in Overland Park, Great Plains Trust Co. experienced 70 percent growth in assets since Steve Soden took over as president four years ago, and now has about $3.4 billion in assets under advisement from clients in all 50 states. Founded in 1994, Great Plains is an employee-owned provider of investment management, trustee, and custody services to employee benefit plans, foundations, trusts, individuals and individual retirement accounts. It outsources all of its money management to Mission-based...