at the forefront

In a position of highest importance or priority. The new company I work for is at the forefront of medical innovation. I think some of their new instruments are going to revolutionize the field of medicine. My kids' safety is always a concern at the forefront of my mind.

at the forefront (of something)

and in the forefront (of something)

Fig. at the place of greatest activity; vital or important to some activity. I interviewed Max Brown, the director who is in the forefront of the movie industry. The university I go to is at the forefront of computer technology.

at/in/to the ˈforefront (of something)

in or into an important or a leading position in a particular group or activity: The new product took the company to the forefront of the computer software market. ♢ The court case was constantly in the forefront of my mind (= I thought about it all the time).