Cash balance plans are not well known among the advisor community — but they should be. These excellent vehicles help business-owner clients catch up on retirement savings, realize tax benefits and strengthen the client-advisor relationship in the process. Ross K. Brown is vice president of business development at Payden & Rygel, a global asset management firm. Take the hypothetical case of Theresa who, at 53, leads a successful OB-GYN practice but has barely saved enough for what she feels will be a comfortable and secure retirement. With roughly $100,000 in retirement savings, she is starting to wonder if she’ll have to work forever. A cash balance plan can accelerate the…