Harry S. Margolis founded ElderLaw Services, the predecessor of Margolis & Bloom in June 1987. Prior to that he was an associate with Palmer & Dodge in Boston. He is a graduate of Swarthmore College and the New York University School of Law.

Mr. Margolis is editor of The ElderLaw Report, a monthly newsletter for attorneys, and was the founding general editor of The ElderLaw Portfolio Series, a compilation of in-depth studies on various aspects of elder law. Both are published by Wolters Kluwer Law & Business. He is the author of the ElderLaw Forms Manual and publisher of the ElderLaw News, a quarterly newsletter for the firm's clients. He is also a Fellow and former member of the Board of Directors of the National Academy of Elder Law Attorneys and founding President of the Academy's Massachusetts Chapter and has been named a Super Lawyer since 2005.

Mr. Margolis has served on the adjunct faculty of Boston College Law School. He is the founder and president of ElderLawAnswers.