JM

Jason Mariarathanam

Chief Executive Officer

Cornerstone Group

Amsterdam, North Holland


Contact Information

Email
Unlock
LinkedIn

Company Information

Company
Cornerstone Group
Industry
hospital & health care
Employees
39.0
Seniority
C suite

Professional Summary

Jason Mariarathanam serves as Chief Executive Officer at Cornerstone Group. Cornerstone Group operates in the hospital & health care sector with approximately 39.0 employees. The company is headquartered in Amsterdam, North Holland.

Industry & Role Insights

  • • MessageCEO tracks 6,447 executives in the hospital & health care sector.
  • • 1,041 executive contacts are available in North Holland.
  • • Our database includes 201,465 c suite-level executives.

Technologies

Mailchimp Mandrill Outlook Microsoft Office 365 Google Cloud Hosting Flywheel Cornerstone On Demand

Keywords

health & medical developments integrated health & medical facilities joint ventures early contractor involvement design construct general practice property investment integrated healthcare property developer hospitals & health care hospital & health care

Related Executives

DR
Donna Rey Executive Director & CEO at 1199SEIU National Benefit Fund
AS
Amin Shivji Chief Executive Officer at 123Dentist
JL
Jeff Leger Chief Executive Officer (incoming) at 123Dentist
CA
Chandan Advani Co - Chief Executive Officer at 123Dentist
ST
Stuart Tait Chief Executive Officer at 13SICK National Home Doctor

Outreach Guidance — hospital & health care Sector

Executives like Jason Mariarathanam in the hospital & health care sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at Cornerstone Group.

Jason Mariarathanam's Position in the MessageCEO Database

  • •Jason Mariarathanam is 1 of 1 verified executive contact we track at Cornerstone Group.
  • •6,187 verified executive contacts in hospital & health care are in the MessageCEO database.
  • •1,033 verified executive contacts in North Holland are in the database.
  • •63 verified contacts work at hospital & health care companies in the 39.0 employee range (same size as Cornerstone Group).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated October 2026.

Frequently Asked Questions

How do I reach Jason Mariarathanam directly?

Jason Mariarathanam's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Cornerstone Group. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Jason Mariarathanam work for?

Jason Mariarathanam is Chief Executive Officer at Cornerstone Group, a company in the hospital & health care sector with 39.0 employees. The company is based in Amsterdam, North Holland.

Can I pitch or sell to Jason Mariarathanam?

As Chief Executive Officer at Cornerstone Group, Jason Mariarathanam is a key decision-maker in the hospital & health care sector. MessageCEO Pro gives you verified email to reach Jason Mariarathanam directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Jason Mariarathanam in?

Jason Mariarathanam works in the hospital & health care industry as Chief Executive Officer at Cornerstone Group. MessageCEO provides verified contact information for executives across all major industries.

Is Jason Mariarathanam's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Jason Mariarathanam's profile is kept up-to-date with the latest available information.

Verified Profile
Last updated: October 6, 2026

Get Full Contact Details

Subscribe to reveal email addresses and export contacts.

View Plans