The phrase "instrumental in implementing" is correct and usable in written English.
You can use it when you want to emphasize the importance and contribution of a person or object in carrying out a task. For example: "John was instrumental in implementing the new security measures at the office."
Others were instrumental in implementing the policy.
Lee and Swaminathan were instrumental in implementing their vision.
Yet this is what British Council "advisers" in independent Namibia were instrumental in implementing.
The Title IX Office also has been instrumental in implementing required training for all faculty, staff, and students online.
The company, based in Oldham, Greater Manchester, was described as irresponsible by the West Midlands police and crime commissioner, David Jamieson, who was instrumental in implementing the ban.
Mr Lewis has been instrumental in implementing the Telegraph's integrated newsroom and his appointed will be seen as an attempt to cement the company's long-term digital strategy.
"Robert has been instrumental in formulating and implementing the strategic direction of the company," James Dolan, Cablevision's president and chief executive, said in announcing his appointment.
As director general of Proyecto Educativo since 2006, he has been instrumental in creating and implementing new ways of delivering education for public school systems in Mexico and Latin America.
I have been instrumental in designing and implementing Stanford's curriculum focusing on clinical skills for pre-clerkship students, as Associate Director of the Practice of Medicine course.
During this period he was instrumental in designing and implementing the 28-nation Alliances responses to the most severe security challenges in Europe since the end of the Cold War.
In 2018, she was instrumental in planning and implementing extended clinic hours for new nurses.
