Berkshire Hathaway (BRK.A -0.37%) (BRK.B -0.24%) subsidiary Brooks Sports is drawing quite a bit of attention from Buffett devotees these days. The running shoe maker has sprinted to 34% volume growth in both 2011 and 2012, with U.S. sales growth hitting the tape at 43% by the end of last year.

Our roving reporter Rex Moore caught up with Brooks CEO Jim Weber at the recent Berkshire shareholder meeting in Omaha. In this segment of a multipart series, Jim says working under the Berkshire umbrella has taught him a lot about the power of the brand.