Contact Us

Contact New
The "Telephone Museum" tucked into a cutout in the massive cement pier that supports the 100-inch telescope.

General Inquiries:

Please be aware we are not able to return calls on weekends.

Mountain Operations: 626-440-9016

Regular Mail
Mount Wilson Institute
75 S. Grand Avenue
Pasadena, CA 91105

MWI c/o Carnegie Observatories
813 Santa Barbara Street
Pasadena, CA 91101-1232

Key Contacts


Public Ticket Nights:

Telescope Reservations: | 626-692-7274

Private Tour Reservations:

STEM Educational Programs:

Mountain Operations: | 626-440-9016

Cosmic Cafe: | 626-568-2839


Samuel D. Hale, Chief Executive Officer & Board Chairman

Katie Steinke, Executive Director, Development and Outreach

Dan Kohne, Chief Operating Officer

Tom Meneghini, Director of Telescope Operations & Executive Director Emeritus

Timothy Thompson, Science Director

Mount Wilson Institute Board of Trustees

Mr. Samuel D. Hale, Chairman & CEO – Century Management
Ms. Linda Van Winkle Deacon– Attorney at Law
Ms. Catherine L. Haight – Attorney at Law
Mr. Scott Hood – First Wilshire Securities
Mr. Michael H. Horner – Tom Sawyer Camps
Mr. Dan Kohne – Producer/FX Cinematographer
Mr. Mike McIntyre – US Forest Service, Retired
Ms. Jenny Rosenberg – VP of Corporate FP&A, Live Nation
Dr. Josh Simon – The Carnegie Observatories
Ms. Katie Bannan Steinke – Vatican Observatory Foundation, retired
Mr. Timothy Thompson – Jet Propulsion Laboratory, Retired

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