Howard Leonhardt

Archived Record Sunrise, FL — Previous CEO for U.S. Stem Cell, Inc.

Howard Leonhardt Overview

Howard Leonhardt has been associated with two companies, according to public records. The companies were formed over a seven year period with the most recent being incorporated nineteen years ago in November of 2006. Zero of the companies are still active while the remaining two are now listed as inactive.

Background Report for Howard J. Leonhardt

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Name	Status	Incorporated	Key People	Role
U.S. Stem Cell, Inc.	Inactive	1999	10	CEO
Aortacell, Inc.	Inactive	2006	1	Director

Connections for Howard Leonhardt

A connection is made when two people are officers, directors, or otherwise associated with the same company. Howard has nine known connections and has the most companies in common with Sheldon Anderson.

Sheldon Anderson

Sheldon Anderson has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Active	1999	10	Director

Mark P. Borman

Mark P. Borman has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Active	1999	10	Chairman

Gregory Knutson

Gregory Knutson has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Active	1999	10	Director

Mike Tomas

Mike Tomas has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Active	1999	10	CEO

Kristin C. Comella

Kristin C. Comella has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Inactive	1999	10	Secretary

Peggy A. Farley

Peggy A. Farley has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Inactive	1999	10	CFO

Karl E. Groth

Karl E. Groth has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Inactive	1999	10	CEO

William P. Murphy

William P. Murphy has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Inactive	1999	10	Chairman

Catherine A. Sulawske-Guck

Catherine A. Sulawske-Guck has the following companies in common with Howard Leonhardt

Name	Status	Incorporated	Key People	Role
U------------------.	Inactive	1999	10	Secretary

Source

Florida Department of State
Data last refreshed on Monday, April 6, 2026

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Howard Leonhardt

Archived Record Sunrise, FL — Previous CEO for U.S. Stem Cell, Inc.