* ESS Ventures Inc. announced that Laurin Talley Ensslin has been named vice president of sales and marketing for the Greenbelt investment firm.
* Coleman Research Corp. appointed Thomas G. Lightner vice president and general manager of its computational engineering division in Columbia.
* The Hunter Group, the Baltimore-based national human resources information management firm, has named Christine Grochmal, Christine Smith and Jane Budson as senior consultants.
* Zeidler Roberts Partnership Inc. announced that Jen HeinrichMammen has joined the company as project designer.
* Chamberlain MRC of Hunt Valley has named Jim Maurice materials manager for the manufacturing/research/development firm.
Advertising and PR
* Godfrey Advertising of Lancaster, Pa., has named Matthew Hollenbach as art director and Dario Bernardini as copy director.
* Mount Washington Pediatric Foundation announced that Michael Morseberger has been selected as director of fund development.
* Henning & Cole Therapy Associates has appointed Patricia Muller Riley as physician liaison.