Sinan Si Alhir

Si Alhir (Sinan Si Alhir)

Si Alhir is an entrepreneur, author, leader, coach, consultant, and practitioner focused on how individuals, teams, and organizations survive and thrive under real conditions.

For more than four decades, he has worked across startups, global enterprises, and large-scale transformations. His work spans strategy, leadership, culture, business and operating models, and technology.

He has authored multiple books, contributed to global conferences, and partnered with leaders across industries to create durable impact.