Len Simon founded Simon and Company, Inc. in 1987 to provide targeted and tailored Washington representation services to cities and public authorities, the non-profit sector, national organizations and others interested in federal policies and programs important at the local level. Today he is actively engaged in hands-on efforts for a wide variety of public and non profit entities, leading the firms activities with Congress and the federal executive branch.

Simon has spent the last twenty-nine years directly involved in the federal affairs concerns of local governments and the non-profit sector. He joined the staff of the U.S. Conference of Mayors in March 1977 and became an Assistant Executive Director in October 1978, a position he held until July 1986. In that role he was responsible for policy development and legislative affairs in the fields of transportation, environment, infrastructure, natural resources and telecommunications, and was involved in many other areas on behalf of the Conference. The firm works very closely with the U.S. Conference of Mayors today.

He holds graduate and undergraduate degrees in public policy from the George Washington University, where he also taught for five years (College of Continuing Education in Washington). He speaks frequently in forums around the country on developments in Washington that impact the local level. Simon is a member of the Board of Directors of Kidsave International. He resides in Bethesda, MD with his wife Linda, a free lance journalist and educator and their children Matthew (1984) Jonathan (1987) and Timothy (1993).  He is president of his neighborhood organization, The Edgemoore Citizen Association.  

Haley Detwiler, Director of Legislative Affairs, helps guide the firm's work with Congress and Federal agencies in the areas of legislation, grants and special projects.  Haley brings a strong and successful background in client management, consulting, research and writing.  Haley spent six years managing cases and clients for law firms in both Philadelphia and Wilmington.  In that time Haley met with clients, conducted extensive research and wrote pleadings and correspondence in matters ranging from family law to complex antitrust litigation.  In addition to her experience in law, Haley spent two years traveling between Northern and Southern California as a Consultant for an engineering firm.  While in California, Haley gained knowledge and experience with public transportation and public water works while working with the Los Angeles Metropolitan Transportation Authority (LAMTA) as well as California water and wastewater management facilities.   Haley graduated with honors from Wake Forest University with a degree in English and Psychology.

Rukia Dahir joined Simon and Company in September 2008 as the Director of Legislative Affairs. Prior to joining Simon and Company, Rukia was a Public Policy Assistant at the American Farm Bureau Federation. In that position, she obtained considerable knowledge in working with Congress and federal agencies in a wide range of issues. Rukia received her BA degree at University of Massachusetts-Amherst in 2004, a double major in Legal Studies and Sociology with a concentration in Criminal Justice. She is currently pursuing her MA in Environmental and Resource Policy at The George Washington University. She helps guide the firm's work with Congress and federal agencies in the areas of legislation, grants and special projects. She was awarded a leadership certification at the American University Women & Politics Institute WeLead Program. Born and raised in Boston, Massachusetts she currently resides in Fairfax, Virginia with her husband Khadar.  

Stephanie Carter has served Simon and Company clients since 1998 with cheerful enthusiasm as Director of Administration. A native Washingtonian, she has also worked for HQ Business Centers in Washington, DC as a staff associate prior to joining Simon and Company. Stephanie is a graduate of Virginia State University in Petersburg, Virginia where she earned a bachelor's degree in psychology. In the Spring of 2002 Stephanie enrolled in Trinity College to pursue her interest in education and working with children and is working on a Masters of Arts in Teaching degree. In her spare time, Stephanie volunteers as a teacher's aide at Stevens Elementary School in Northwest Washington. Stephanie resides in Temple Hills, Maryland.