sentences:  While at the IRS, Karlan was drafter of federal regulations relating to 401(k) plans.Karlan's published works as an attorney include "Differences in Treatment of Employees and Independent Contractors Under Selected State and Federal Statutes," 1998 American Bar Association Section of Taxation Mid-Year Meeting (with Kurt L.P. Lawson) and "Cash or Deferred Arrangements, Matching Contributions, and Employee Contributions," 1998 Annual American Law Institute-American Bar Association Conference (with Mary Oppenheimer).Karlan founded Professionals in the City to bring the local professional community together and to familiarize residents with the activities their cities have to offer.