Sebastian Abbinanti is the President and Founder of The Isidore Group, a premier Managed Service Provider (MSP) serving the Greater Chicago Area.
A graduate of DePaul University (B.S. Network Technologies), Sebastian founded the company in 2014 with over a decade of prior engineering experience. He named the firm after St. Isidore of Seville—the patron saint of the Internet—reflecting his belief that technology should serve a higher purpose: helping people succeed.
Leadership & Philosophy:
People Over Process: Sebastian pioneered the creation of the “Director of Client Experience” role, removing traditional sales quotas to ensure his team focuses solely on client satisfaction.
Culture Builder: Under his leadership, The Isidore Group has achieved Great Place to Work® Certification, proving that happy engineers lead to secure, happy clients.
Technical Depth: Unlike sales-focused CEOs, Sebastian is a career engineer who understands the architectural complexities of the cloud and compliance landscapes he manages.


The truth at many offices is that when there is an IT problem, almost all business operations can be affected. That’s why IT alignment is one of the most critical areas where business alignment needs to happen.

Being recognized among the nation’s leading MSPs is a tremendous honor. Education is a sector where technology plays a direct role in shaping opportunities for students and educators. This recognition highlights the dedication of our team to building secure, reliable, and innovative IT solutions.
Strategic Technology Leadership & Growth-oriented IT Services
Managed Services for SMBs, including Security & Cloud Solutions
Business Consulting & IT Road-map Development
Client Relationship Management & High-Touch Service Delivery
Strategic Technology Leadership & Growth-oriented IT Services
Managed Services for SMBs, including Security & Cloud Solutions
Business Consulting & IT Road-map Development
Client Relationship Management & High-Touch Service Delivery
Sebastian Abbinanti is the President and Founder of The Isidore Group, a premier Managed Service Provider (MSP) serving the Greater Chicago Area.
A graduate of DePaul University (B.S. Network Technologies), Sebastian founded the company in 2014 with over a decade of prior engineering experience. He named the firm after St. Isidore of Seville—the patron saint of the Internet—reflecting his belief that technology should serve a higher purpose: helping people succeed.
Leadership & Philosophy:
People Over Process: Sebastian pioneered the creation of the “Director of Client Experience” role, removing traditional sales quotas to ensure his team focuses solely on client satisfaction.
Culture Builder: Under his leadership, The Isidore Group has achieved Great Place to Work® Certification, proving that happy engineers lead to secure, happy clients.
Technical Depth: Unlike sales-focused CEOs, Sebastian is a career engineer who understands the architectural complexities of the cloud and compliance landscapes he manages.