CEO & Executive Email Contacts in Chicago, Illinois — Verified 2026

TN

Tiffany Norton

Chief Executive Officer

AOT

Chicago, Illinois information technology & services

****@****.com Unlock

TR

Timothy Ryan

Chief Operating Officer

Aparium Hotel Group

Chicago, Illinois hospitality

t****@aparium.com Unlock

NS

Natalie Schaefer

Executive Administrator to CEO, COO & Partner

Aparium Hotel Group

Chicago, Illinois hospitality

n****@aparium.com Unlock

KK

Kumar Kathinokkula

CTO

APCO Holdings, LLC

Chicago, Illinois automotive

k****@apcoholdings.com Unlock

FT

Frank Tiemann

CTO

Apex Clearing Corporation

Chicago, Illinois financial services

f****@yahoo.com Unlock

JK

Joe Kuryla

CTO - Apex Advisory

Apex Clearing Corporation

Chicago, Illinois financial services

j****@yahoo.com Unlock

AW

Adam Waterman

Chief Operating Officer

APEX Companies

Chicago, Illinois logistics & supply chain

a****@apex-cos.com Unlock

MB

Michael Blazek

Chief Technology Officer

Appiphony

Chicago, Illinois information technology & services

m****@appiphony.com Unlock

GK

George Kenessey

Chief Executive Officer

Appiphony

Chicago, Illinois information technology & services

g****@appiphony.com Unlock

DG

Darrin Greene

Chief Executive Officer

Applus Technologies

Chicago, Illinois information technology & services

d****@applustech.com Unlock

CL

Charlie Lang

Chief Product & Technology Officer

Apptegy

Chicago, Illinois government administration

c****@apptegy.com Unlock

SJ

Sam Jeon

Chief Technology Officer

AptAmigo

Chicago, Illinois real estate

s****@aptamigo.com Unlock

DS

Danyal Sheikh

Deputy COO

Aquatic Capital Management

Chicago, Illinois financial services

d****@aquatic.com Unlock

DD

Dan Dunn

CEO

Aqueity

Chicago, Illinois information technology & services

d****@aqueity.com Unlock

SB

Sonya Blacker

Owner/CEO & Founder

Arabesque

Chicago, Illinois information technology & services

f****@arabesque.com.kw Unlock

BH

Brent Heimann

Retired CEO

Arab Potash Company

Chicago, Illinois mining & metals

h****@arabpotash.com Unlock

WS

William Sullivan

CEO

Árachas Group

Chicago, Illinois insurance

w****@arachasgroup.com Unlock

PC

Paul Cussen

Chairman CEO

Architectural Tax Consultants, LLC

Chicago, Illinois financial services

p****@nationalbureau.com Unlock

EL

Evan Lantz

Executive Vice President & COO

Architectural Tax Consultants, LLC

Chicago, Illinois financial services

e****@nationalbureau.com Unlock

BD

Bradley Dannegger

Co-Chairman/CEO

ARCO/Murray

Chicago, Illinois construction

b****@arcomurray.com Unlock

CEO & Executive Contacts in Chicago, Illinois