W. Bradley Holtz, new president of CAD Support Systems, already can declare with confidence: "I love what I do." He is heading the same company he founded two years ago as WBH Associates, since taken over by Rowley-Scher Reprographics Inc.

The reason for Holtz's enthusiasm? "For one thing, there are lots of toys to play with," he observed, speaking from a larger suite in his old building at 6917 Arlington Blvd. in Bethesda.

Holtz's "toys" are CAD (computer-assisted design) systems; he consults for clients on their selection and use, giving him the opportunity to "play" with the approximately 60 systems on the market for microcomputers and 60 systems for larger mini- and mainframe systems. CAD has been put to a variety of uses, including the computerized design of new cars, but Holtz focuses on its use in the architectural-engineering field, which he knows best.

"We don't sell anything but our consulting services, which makes us unusual in this field," he said. "We offer unaffiliated CAD support. We help clients select systems or use the ones they have more efficiently." CAD Support's clients range in size from a one-person architectural firm to an architectural-engineering firm with more than 400 employes.

Holtz brought about 80 clients, many of them national, and five-figure revenues with him to CAD Support Systems, which became a wholly owned subsidiary of Rowley-Scher in April. Rowley-Scher, based in Beltsville, went public in November and has been acquiring other reprographics firms, most recently Miller Reprographics in Boston. The acquisition of Holtz's firm represented the first diversification for Rowley-Scher, which reported revenue of $11.2 million and profits of $800,441 in 1985.

Locally, Rowley-Scher has about 3,000 clients, all of them potential users of CAD Support Systems, said Holtz. CAD Support Systems will be expanding to other cities, including Norfolk, Boston and Philadelphia, during the next 12 to 18 months. Holtz estimated that when the new centers are established, each will bring in $1 million a year.

Holtz explained that the relation between conventional and computer-based drafting is like that between typing and word processing. Rather than using pencil and paper, the architect uses the keyboard to put drawings into a computer. Drawings can be printed on a plotter, and corrections can be made easily and rapidly. Use of a computer also enables the designer to view his design from different perspectives simply by pushing a button. "Generally, a CAD workstation costs as much as one employe for one year. That machine and one employe are, on the average, two to seven times more productive than a single employe," he said.

From 1977 to 1984, Holtz worked with the architectural firm where his father was a partner, CHK Associates, one of the larger firms in the Washington area. After graduating from the University of Maryland in 1982, he began researching available computer-aided design and drafting systems for the firm.

Holtz, 31, became fascinated by his research, and soon began offering consulting and design services in micro-based CAD systems on the side. "The majority of the work I did was consulting. I was giving lectures and seminars around the country and in Canada," he recalled. Soon, his sideline became a full-time occupation.

But Holtz felt that in order to stay on top of his business, he needed more funding. "I wanted to do what was necessary to provide a high service level," he said. He decided to consider offers early this year, and in April accepted the one from Rowley-Scher. "We don't have to worry about funding now, and I receive excellent financial advice," he said. "I have the physical and employe resources I need."

In addition to consulting, the firm also offers plotting services. "Eventually, Rowley-Scher will be able to take information from any CAD system in any form, and put it on any one of their plotters," said Holtz.

"For us, it's another support service to offer our clients," said Joe Salus, chairman of Rowley-Scher. "We had initially wanted to start a plotting service, but realized we wanted to offer more."

CAD systems have been available on mainframe computers for several years, costing hundreds of thousands of dollars and too expensive for many architectural firms. Gradually, mini- and then microframe systems have become available, said Holtz, with the cheapest one-workstation system now costing between $20,000 and $30,000. Which system does Holtz prefer? "I'm a hardware junkie. I don't care what it is, as long as it does it with instantaneous response, perfect resolution and in full color. That's my personal preference." BANKING, FINANCIAL SERVICES

Sovran Bank promoted Donald P. McClure to the position of vice president, where he will oversee the Yorktown, Va., and area offices. McClure previously served as assistant vice president. The bank also hired Thomas H. Pritchard as a vice president to work in the credit-review division of the audit department. Pritchard joined the bank from the Federal Reserve System, where he was a senior financial analyst.

Metropolitan Federal Savings and Loan Association elected Paul P. Schaus vice president. Schaus joined the company in June 1985 from Capital Bank N.A. He also has served as controller and chief financial officer of New Braunfels Savings and Loan Association in Texas. COMMUNICATIONS

International Telecommunications Satellite Organization (Intelsat) named French citizen Pierre J. Madon director of engineering service for the international cooperative. Prior to his appointment, Madon was director of the space program in France, where he managed more than 2,000 employes and oversaw all nonmilitary space projects. Madon moved to Washington and will oversee Intelsat engineering projects such as satellite operations, communications engineering and research and development. Intelsat is based in the District and includes 110 member nations that operate a global communications satellite system.

The Martin Agency, an advertising agency in Richmond that is projecting billings of $65 million this year, promoted Dale P. Brown and W. Thomas Robinson to senior vice presidents of the company. Brown joined the agency in 1973 as a public relations director and was promoted to vice president/account supervisor in 1979. Robinson joined the agency in 1979 as an account executive and was promoted to vice president in 1980. HOTEL, FOOD SERVICES

The Hotel Lombardy of the District named David B. Fink general manager. Fink joined the hotel from the Omni Georgetown Hotel, where he served as resident manager for three years. Prior to that appointment, Fink worked at the Ritz-Carlton Hotel in New York as an executive assistant manager. PROFESSIONAL SERVICES

Stuart A. Statler, former commissioner of the U.S. Consumer Product Safety Commission, joined the Alexandria office of A. T. Kearney Inc. to head a new management-consulting practice. Statler joined the company as vice president and will oversee services such as risk management and product liability. A. T. Kearney is an international management consulting firm based in New York.

Thomas L. Mills and Michael Joseph have joined the law firm Dyer & Ellis, which specializes in international trade and finance. The firm's name now is Dyer, Ellis, Joseph & Mills. RETAIL

The Kelly Springfield Tire Co. of Cumberland elected Charles R. McLuckey vice president of Kelly-brand sales to replace Fred R. Russell, who retired. McLuckey is a 28-year veteran of the company's sales force.

Paul Faulise, vice president of operations for the American Candy and Tobacco Co., was named senior vice president of the company's subsidiary, Short Stop Enterprises Inc. of Landover. Faulise joined American Candy and Tobacco in 1978.