About IEG
IEG is a Marketing company, headquartered in Chicago, with 51 - 200 employees and annual revenue of $100M - $500M.
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IEG Company Highlights
Phone Number
(312) 944-xxxx
Corporate Office Address
640 North LaSalle Drive
Chicago, 60654
Website
IEG Email Format
The most common IEG email format is [first].[last] (ex. john.doe@sponsorship.com), currently being used by 93% of IEG business email addresses. There are 13 email formats used by IEG.
IEG Org
IEG has 3 C-Level, 5 VP, 7 Director, 14 Manager, 2 Senior, 149 Mid-Level, and 5 Other employees.
IEG Decision Makers
- CEOKonstantin Seebacher
IEG's Tech Stack
Frequently Asked Questions About
IEG
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Who is the CEO of IEG?
The CEO of IEG is Konstantin Seebacher. See full contact details ›
How many senior employees does IEG have?
IEG has 31 senior employees that are typically used for decision making.
What email format does IEG use?
The most common IEG email format is {first}.{last} (e.g. john.doe@sponsorship.com).
Who are the key decision makers at IEG?
Key decision makers at IEG include Konstantin Seebacher (CEO). See full contact details ›
What technologies does IEG use?
IEG uses technologies including AddThis, Baidu Analytics, and Choices.
How do I contact IEG?
To contact IEG, visit sponsorship.com.
Where is IEG headquartered?
IEG is headquartered at 640 North LaSalle Drive, Chicago.
What is the main phone number for IEG?
The main phone number for IEG is (312) 944-xxxx.
What is the official website for IEG?
The official website for IEG is sponsorship.com.
What is the annual revenue of IEG?
The annual revenue of IEG is $100M - $500M.
How many employees does IEG have?
IEG has 51 - 200 employees.
What industry is IEG in?
IEG is in the Marketing industry.
Last updated: September 28, 2025