Janette Sonnenberg of Salt Lake City recently was elected as the president of the Alliance of the American Dental Association. The organization supports the ADA through dental health education, legislative advocacy and the "well-being of the dental family." Sonnenberg is the second president from Utah (Iola Smith served in 1966) and has been an alliance member for 25 years. Her education includes a degree from Brigham Young University.

Brad Cardon and Richard Green have joined the law firm of Thorpe North & Western LLP. Cardon, whose education includes degrees from the University of Utah and Brigham Young University, has a technical practice that focuses on the mechanical, electro-mechanical and optical arts. He worked for several years with a pair of companies in a variety of engineering roles prior to entering law school. Green has experience in drafting and prosecuting patent applications in the fields of pharmaceuticals, nutraceuticals, microfabrication and applied chemistry. His education includes a degree from the University of Utah.

Richard K. Gardner has joined the VanCott law firm as an associate with the Tax, Benefit and Estate Planning Group. His education includes degrees from Brigham Young University.

Chiharu Howell has joined XanGo LLC as director of marketing for XanGo Japan. A native of Japan, Howell will implement a market cultivation strategy to advance the XanGo brand in Japan and help drive revenue growth. Prior to joining XanGo, Howell served as a consultant and employee for the Japanese operations of major multinational corporations.

• Colvin Engineering Associates Inc. has announced several promotions and additions. Cordell Post has been promoted to project manager. A graduate of the University of Utah, Post has been with the firm since 2004. Jonathan Burrows has been promoted to project manager. He graduated from Utah State University and has been with the firm since 2006. Omar Saleb, a graduate of the University of Utah, has joined the firm as a mechanical engineer. Thomas Riemondy has joined the firm as a mechanical engineer.

Brian Logie, Linda Smith and Heather Barlow have joined Big-D Construction. Logie was hired as a project engineer in the company's Lindon office. He has four years of construction experience through several positions held with companies in Arizona. His education includes a degree from Brigham Young University. Smith joins Big-D as project assistant in the Lindon office. Smith brings more than 20 years of experience in the construction industry, serving as an executive assistant, office manager and secretary for several companies in the Utah area. Barlow is marketing assistant in the Fastrack division of the Salt Lake City office. Prior to joining Big-D, Barlow worked as a graphic designer. She has a degree from Eagle Gate College.

Dan Herzog has joined the Office Division of the Salt Lake City office of CB Richard Ellis. The office specializes in the leasing, acquisition and disposition of office properties. Prior to joining CB Richard Ellis, Herzog worked for a commercial real estate company. He has been involved in the marketing and sales industry for more than nine years and in the real estate industry for more than four of those years.

Sharon Cook has joined Coldwell Banker Residential Brokerage as director of marketing. A graduate of Westminster College, Cook previously was director of brand strategy for another company, where she supported marketing efforts for 11 years. She has 21 years of experience in marketing, branding, communications and public relations.

Dr. Joanne Link , a neurologist, has joined Utah Valley Regional Medical Center. She previously was on the faculty of the Texas Tech University Health Sciences Center. She will focus primarily on hospitalized patients with serious neurological conditions, including stroke.

Christopher B. Snow has been named a director and shareholder at the law firm of Clyde Snow. He joined the firm in 2003 after practicing at a Washington, D.C., law firm. He has experience representing and counseling clients on employee-driven litigation in areas of wrongful termination, reduction in work force, civil rights, the Fair Labor Standards Act, Family the Medical Leave Act, OSHA violations and wrongful discharge. His experience also encompasses enforcing non-compete contracts as well as bringing and defending claims for trade secret misappropriations and trademark infringement. His education includes degrees from the University of Utah.

Greg Gajewiak and Erik DeWaal have joined Forthgear, a marketing strategic company based in Kaysville. The two graphic designers bring over 10 years of combined experience in print design. Gajewiak, a native of Poland, had five years of experience at a European advertising agency before immigrating to the U.S. two years ago. DeWaal graduated from the University of Utah and worked as the art director for a company and operated his own letterpress before joining Forthgear.

Greg Ratliff, a senior associate and multifamily investment specialist with NAI Utah Commercial Real Estate, has been named the new "player-coach" of the company's office in Lindon. As player-coach, Ratliff will supervise and mentor agents, motivating them to higher production while maintaining personal involvement in his own real estate deals. Ratliff will be moving from the company's headquarters in Salt Lake. His experience includes working on project feasibility, renovation, construction management and brokerage projects.

Thomas Van Wyngarden has joined the law firm Chapman and Cutler LLP as a partner. He will join Chapman's environmental and litigation practices focused in the Salt Lake City and San Francisco offices. He previously was a partner in a different firm's Los Angeles office. He has represented many large companies in commercial, real estate, and product liability matters.

Jason Roberts has been promoted to director at Protiviti Inc., a business and technology risk consulting and internal audit services company. He previously was an associate director. Roberts has been with Protiviti since its inception in 2002. He leads the company's Salt Lake City office. He has more than 11 years of experience in public accounting, business consulting and internal auditing. His education includes a degree from Brigham Young University.