To be at the forefront of...

Meaning

To be leading or most advanced in a particular field.

Examples

• John: Their research is groundbreaking.
• Alice: Yes, they seem <b>to be at the forefront of</b> genetic engineering.
• John: Their publications are always cited first in this area.
• Alice: That's right. They are truly <b>to be at the forefront of</b> this scientific revolution.