Contact us

The members of the Abernathy MacGregor team work seamlessly from coast to coast, based out of New York, Los Angeles, San Francisco and Houston. In this digital age we still believe in the power of face-to-face contact and often travel to and work alongside our clients throughout high-intensity projects.

For more information about Abernathy MacGregor or to inquire about engaging our services, please send an email to or contact the leadership of one of our five offices.

New York
277 Park Avenue, 39th Floor
New York, NY 10172
T: 212.371.5999

Tom Johnson
Chief Executive Officer

Carina Davidson

7500 San Felipe Street, Suite 1070
Houston, TX  77063
T: 713.343.0427

Sydney Isaacs
Managing Director, Head of Houston Office

Los Angeles
707 Wilshire Boulevard, Suite 3950
Los Angeles, CA 90017
T: 213.630.6550

Ian Campbell
Vice Chairman

San Francisco
100 Montgomery Street, Suite 1750
San Francisco, CA 94104
T: 415.926.7961

Sheila Ennis
Senior Vice President

Washington D.C.
T: 202.913.4802

Sarah Knakmuhs
Managing Director, Head of D.C. Office