was a founding partner of Morrison Cohen Singer & Weinstein, LLP and was the head of its Commercial Litigation Department for 15 years, until she left in 2000 to serve for two years as the Executive Director of Mentoring USA. Having returned to the practice of law, she concentrates in arbitration, trial and appellate litigation of complex commercial business, employment and marital disputes.

 Ms. Lans has published and lectured extensively on legal and education issues. Ms. Lans has served on or chaired, among others, the New York Supreme Court Departmental Disciplinary Committee, the Executive, Judiciary, Bioethical Issues and Young Lawyers Committees and the Council on Judicial Administration of the Association of the Bar of the City of New York. Ms. Lans is Vice Chair of the Board of Trustees of Columbia Land Conservancy and Vice Chair of the Board of Directors of Literacy, Inc.

 A profile of Ms. Lans appears in Nancy Carson's Believing in Ourselves: A Celebration of Women (Ariel Books 2002), a book about 38 women who have distinguished themselves in a variety of fields and give back in ways that help to build a healthy world, and Who’s Who in America.

She has also been repeatedly selected for inclusion in the Best Lawyers in America (Family Law) and New York Super Lawyers (Business Litigation).