What departments does LEFF have?

LEFF has employees across 3 departments including Program & Project Management, Marketing, Engineering.

What is the largest department at LEFF?

The largest department at LEFF is Program & Project Management with 2 employees.

Where are LEFF employees located globally?

LEFF has employees across 2 continents and 4 countries including Netherlands, Belgium, United States Of America, Canada.

How has LEFF's team size changed over time?

LEFF's team has decreased from approximately 45 to 40 employees based on available data.

LEFF Employee Directory

Q: Who are LEFF's key employees and leadership?

LEFF's key employees include: President: A. K..

Marketing ServicesIllinois, United States11-50 Employees

Leff is a marketing services company that focuses on content, combining problem-solving with creativity to translate client stories, expertise, and research into usable assets. It works with business leaders, subject matter experts, and marketing professionals to turn ideas into strategic materials that support brand-building, reputations, and relationship development. By focusing on coherent concepts rather than fragmented data, the firm aims to create assets that can drive business outcomes. Based in Chicago, Illinois, Leff operates within the marketing services industry and positions itself around content strategy and related services. Over the years its offering set has broadened, including the introduction of initiatives such as Leff Strategy Studio, and in 2024 it added Karianne Michelle as vice president of content marketing. The company is a midsize team, reflecting its size and scope.

LEFF Global Highlights

North America
41

United States Of America
38
Canada
3

Europe
5

Netherlands
4
Belgium
1

LEFF's Leadership

A. K.
President
Mobile Phone
Email
W. C.
Project Manager
Mobile Phone
Email
W. S.
Project Manager
Mobile Phone
Email
R. J.
Principal
Mobile Phone
Email
A. H.
Marketing Coordinator
Mobile Phone
Email
H. A.
Civil Engineer-In-Training, Civil Eit
Mobile Phone
Email
J. S.
Producer
Mobile Phone
Email
K. P.
Vp, Editorial & Sustainability
Mobile Phone
Email

LEFF Employee Metrics

100%

50%

0%

2026

2025

Marketing
Arts & Design
Program & Project Management
Media & Communications
Information Technology
Other

Contact profiles from LEFF

Name

Title

Contact Info

Location

Last Update

A. K.
President
Mobile Phone
Email
Aug 18, 2025
W. C.
Project Manager
Mobile Phone
Email
Oct 17, 2024
W. S.
Project Manager
Mobile Phone
Email
Oct 23, 2024
R. J.
Principal
Mobile Phone
Email
Oct 22, 2024
A. H.
Marketing Coordinator
Mobile Phone
Email
Oct 18, 2024
H. A.
Civil Engineer-In-Training, Civil Eit
Mobile Phone
Email
CanadaBritish Columbia
Sep 18, 2024
J. S.
Producer
Mobile Phone
Email
Oct 18, 2024
K. P.
Vp, Editorial & Sustainability
Mobile Phone
Email
BelgiumBrussels
Jun 26, 2026

Frequently Asked Questions

What is LEFF known for?

LEFF was founded in 2010 operates in the Marketing Services industry; you can contact the main corporate office by phone at

+1-312-635-****

. Explore LEFF's company overview page for more information.

What is LEFF's most common email format?

LEFF employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more LEFF email formats with LeadIQ.

How many employees does LEFF have currently?

LEFF has approximately 33 employees as of July 2026. These team members are located across 2 continents, including North AmericaEurope.

Who are LEFF's key employees and leadership?

As of July 2026, LEFF's key employees include:

President: A. K.
Project Manager: W. C.
Project Manager: W. S.
Principal: R. J.
Marketing Coordinator: A. H.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

LEFF Employee Directory

Find LEFF employees' phone numbers or email addresses

Name search is limited — try advanced search instead