Amerix Corp. of Columbia named Steven C. Ruderman and Richard S. Snyder vice presidents, sales department.
I-Data International Inc. of Arlington named Thomas D. Trapasso president and Robert Hayes sales manager of Lasat Networks.
Joseph M. McDade joined Ervin Technical Associates of Washington as chairman of the board.
OneMain.com of Reston named Kevin S. Lapidus vice president and general counsel.
American Express Tax and Business Services of Baltimore promoted Steve Bishop, Paul Renda, Jennifer Schwarzmann, George Garrett and Sharon Fradel to manager.
The Doubletree Hotel at Tysons Corner of Falls Church promoted Sean Mansfield to catering sales manager and John Gennuso to director of sales and catering.
Talk.com of Reston named Janet C. Kirschner corporate controller.
The SheaHedges Group of Herndon named Ann Soli account director and Ian Bartman account executive.
Stavros Hilaris joined Net2000 Communications of Herndon as vice president of engineering and network planning.
Cultural Resources Inc. of Williamsburg named Donald G. Jones policy and planning group manager.
Breckenridge Design Group of Washington named Brian McClure chief operating officer.
Freddie Mac of McLean named Kevin Winkler vice president of model development.
Lukens Cook Co. of Arlington promoted Brett Babson-Doss to director of its nonprofit division.
Fortune Consultants Group Inc. of Washington named Jeffrey M. Hamberger general counsel.
Kimberly Rankin was named director of client services for ChainLinks Retail Advisors Inc. of McLean.
The Kiplinger Washington Editors Inc. of Washington promoted Theodore J. Miller to senior vice president for publishing; Mark Solheim to senior editor, personal finance magazine; Rosemary Neff to managing editor, personal finance magazine; and Robert Frick to senior editor, personal finance magazine.
The board of directors of Host Marriott Corp. of Bethesda named Christopher J. Nassetta president and chief executive.
Bovis Construction Corp. of Bethesda promoted Michael Sloan to director of technical services, Steven Phillips to preconstruction manager and Holly Moorefield to marketing director.
Apple Computer Inc. in Reston named Paul D. Yu director of professional services-East.
Tim McGough joined Capital One of Falls Church as vice president of human resources.
Network Access Solutions of Sterling named Worth D. MacMurray vice president, legal and strategic projects.
Regulatory Affairs Professionals Society board of directors of Rockville named Joy Cavagnaro president-elect; Arvin P. Shroff secretary and treasurer; John Morgan, Mary Pendergast and Cynthia Wang directors.
Manufacturers Alliance/MAPI of Arlington named Thomas J. Duesterberg president and chief executive.
The National Private Truck Council of Alexandria named Lisa Deyo vice president, member services and education; Cathy Vlassis, manager, membership and exhibit services; Patricia Burke, manager, conference and meeting services; Jennifer Melde, marketing and logistics coordinator; Jane McIntyre, director, continuing education and research; Elaine Robinson, manager, office and program services; and Loree Gunn, manager, special programs.
The Horizon Foundation of Columbia named Maureen R. Hayes administrative coordinator.
The Concord Coalition of Washington named Robert L. Bixby executive director, and Paula Price director of operations.
American Translators Association of Alexandria named Christie Matlock chapter and division relations manager.
The Humane Society of the United States in Washington named Suzanne Millman director of scientific programs, farm animals and sustainable agriculture division.
The Council for Exceptional Children of Reston named Marilyn Peterson assistant executive director of membership and unit development, and Kathleen McLane senior director of continuing education and publications.
The John E. Moss Foundation of Washington elected Michael R. Lemov president and Kathleen B. Benson vice president and secretary.
The Brookings Institution of Washington named Nanette M. Blandin director.
The National Campaign to Prevent Teen Pregnancy of Washington named Sally J. Sachar deputy director.
S.M. Henry Brown Jr. was named chairman of the Public Affairs Council of Washington.
The Alexandria Campus of Northern Virginia Community College named Guy F. Gibbs coordinator of the office of off-campus credit programs and financial aid.
Nina Ossanna was named director of the John Hopkins University School of Medicine's Office of Technology Licensing of Baltimore.
University of Maryland School of Medicine of Baltimore named Donald E. Wilson chairman of the school's health care commission.
Send information about promotions, appointments and personnel moves in the Washington area to Appointments, Business News Department, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071-5302. All material must be submitted in writing.