Proven

The team chose a proven coach with a winning record.

The doctor is a proven specialist in his field, having successfully treated countless patients with similar conditions.

The athlete is a proven champion, having won multiple gold medals in international competitions.

The company hired a proven sales executive to increase revenue.

The coach is a proven mentor with years of experience in leadership.

The company seeks a proven sales executive for the position.

She is a proven musician who has won many awards.

My grandmother's proven wisdom and experience.

He is a proven expert in computer programming.

The product has proven to be effective against acne.

The theory has not been proven to be accurate.

The company's commitment to quality is proven by their ISO certification.

The proven scientist made a breakthrough discovery.

The theory of evolution is a proven scientific fact.

The bridge has proven to be strong enough to handle heavy traffic.

The building's foundation has proven to be stable over time.

The new medicine has proven effective in treating the illness.