Technologist may refer to:

• Architectural technologist, a specialist in the technology of building design and construction
• Educational technologist, a specialist in tools to enhance learning
• Engineering technologist, a specialist who implements technology within a field of engineering
• Industrial technologist, a specialist in the management, operation, and maintenance of complex operation systems
• Medical technologist, a healthcare professional who performs diagnostic analysis on a variety of body fluids
• Radiologic technologist, a medical professional who applies doses of radiation for imaging and treatment
• Surgical technologist, a health specialist who facilitates the conduct of invasive surgical procedures
• Software technologist, a specialist in computer software and web applications

If you are looking for the names of specific people you will need to be much more clear in your request.