CHRISTOPHER LEO TJON Professional Engineer License verification

Business Entity

ACTIVE

License Type

Professional Engineer

Description

LICENSED PROFESSIONAL ENGINEER

License Number

062070484

License Status

ACTIVE

Business

First Name

CHRISTOPHER

Middle

LEO

Last Name

TJON

Business Name

CHRISTOPHER LEO TJON

Original Issue Date

05/31/2018

Effective Date

11/10/2025

Expiration Date

11/30/2027

City

CHICAGO

State

Zip

60647

County

COOK

Ever Disciplined

LastModifiedDate

11/10/2025