Diadem Group Inc. has expressed deep sorrow over the passing of Chief John Olulope Ajayi, NGE, fnimn, the Chief Executive Officer of MARKETING EDGE, which occurred on 10 December 2025.

In a statement signed by its Managing Director, Prince Shola Rotimi, FIMC, RPA, ANipr, the company described his passing as an irreplaceable loss, not only to MARKETING EDGE but to the entire Nigerian marketing and communications ecosystem.

Extending Heartfelt Sympathies

On behalf of the Board, Management, and entire staff of Diadem Group Inc., the company extended its deepest condolences to the leadership of MARKETING EDGE , the Ajayi family, and the entire Marketing Edge team at this difficult time.

The statement noted that Diadem Group shares in the pain of this moment and offered prayers for strength, comfort, and grace for all who bear the weight of this loss.

 Celebrating a Visionary Leader and Pioneer Brand Journalist

Chief John Olulope Ajayi was described as far more than a corporate leader. According to the statement, he was a visionary, a pioneer brand journalist, and a passionate advocate who elevated marketing journalism in Nigeria to a place of respect and influence.

Through MARKETING EDGE, he gave voice to the industry, shaped critical conversations, mentored professionals, and upheld standards that raised the bar for brand, marketing, and marketing communications journalism in Nigeria.

 A Legacy of Impact, Integrity, and Excellence

Furthermore, Diadem Group acknowledged Mr. Ajayi’s unwavering commitment to excellence and his courage in building an institution that continues to inspire confidence across the industry.

His contributions to brand journalism, professional discourse, and industry development, the company said, remain indelible.

His legacy of impact, integrity, and service will continue to resonate through the organization he passionately built and the professionals he mentored.

Standing in Solidarity

At this time of grief, Diadem Group reaffirmed its solidarity with Marketing Edge and the broader marketing community, noting that Chief John Olulope Ajayi’s life and work will continue to inspire future generations.

Signed:
Prince Shola Rotimi, FIMC, RPA, ANipr
Managing Director
For: Diadem Group Inc.