About Dean Joseph Leffelman

Dean Joseph Leffelman is a lawyer practicing corporate governance, mergers and acquisitions, private equity and 4 other areas of law. Dean received a B.S. degree from Northern Illinois University in 1976, and has been licensed for 46 years. Dean practices at Clingen Callow & McLean, LLC in Lisle, IL.

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Awards

AV Preeminent Peer Rated

This elite award is granted to attorneys who have been recognized by their peers for their very high ethical standards, with an average peer review score of 4.5 or higher.

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Services

Areas of Law

Corporate Law 1
- Corporate Governance
Business Law
Other 5
- Mergers and Acquisitions
- Private Equity
- Real Estate Law
- Estate Planning and Administration
- Financial Markets and Services

Practice Details

Firm Information

Position
Of Counsel

Firm Name
Clingen Callow & McLean, LLC

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Experience

Bar Admission & Memberships

Admissions
1980, Illinois
1980, U.S. District Court, Northern District of Illinois

Memberships
DuPage County and Illinois State Bar Associations.
Education & Certifications

Law School
John Marshall Law School
Class of 1979
J.D.
with distinction

Other Education
Northern Illinois University
Class of 1976
B.S.
Personal Details & History

Age
Born in 1953
Amboy, Illinois, June 23, 1953

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