He is a very excellent technician.

Besides being smart, he is also good at sports.

Not only is he an excellent technician, but he also has leadership skills.

He is a famous author and a person who is respected by many people.

He demonstrated excellent leadership in that project.

He is an excellent pianist.

He is good at mathematics.

This new technology has the potential to greatly improve our lives.

He was holding my hand tightly.

He was running while holding a bag.