Directory
Executive Profile

Loading Profile...

Loading executive profile...

MessageCEO

Connect directly with SMB executives and decision-makers for B2B sales, partnerships, and business development opportunities.

Product

Features
Pricing
Search Executives
Find CEO Email
Executive Directory
CEO Contact List
Leadership Contacts

Resources

Bad Contact Data
Tools Comparison
ZoomInfo Alternative
Apollo Alternative

Company

About Us
Contact
For Business

CEO Directory

Top Locations

New York
Los Angeles
Chicago
San Francisco
Boston
View all locations →

By Industry

Top Industries

Technology
Healthcare
Finance
Retail
Manufacturing
View all industries →

© 2026 MessageCEO.com. All rights reserved.

Remove My Information Terms Privacy

John Vacalis Email - Executive Vice President and Chief Legal Officer at Direct Biologics | MessageCEO