Person · officer / director

Mac Jefferson

Director at Siskiyou Mountain Club. Listed as an officer, director, or key employee across 1 organization on the Form 990 record.

This is me

Ambiguous identity This name matches 3 other individuals we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.

Organizations

Roles reported

Others who share this name

Who this is

Profile

The filed facts are verified from the IRS filings. The biography is compiled from public web sources and grounded to that filed record.

✓ Verified from filings

●

Reported as Director of Siskiyou Mountain Club, based in Talent, OR.

Facts extracted directly from each organization's Form 990, Part VII.

Biography In progress

We're building a sourced biography for every person — from filings, news, and public records, citing where each fact comes from. Person-name searches are our single largest source of demand, so this is what we're shipping next.

Affiliations

Organizations

Siskiyou Mountain Club Director · $350K revenue · Talent, ORSMC FORMED TO RESTORE, MAINTAIN, AND PROMOTE PRIMITIVE TRAILS IN THE SISKIYOU BACKCOUNTRY AND TO PROVIDE OUTDOOR SERVICE OPPORTUNITIES FOR THE…Filed FY2020 · Source: Form 990, Part VII

Disambiguation

Other people named Mac Jefferson

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

Mac Jefferson 1 organization · Anderson, SCWestside Athletic Booster Club

Mac Jefferson 1 organization · Bowling Green, KYBowling Green Country Club INC

Mac Jefferson 1 organization · Sewanee, TNUniversity of the South

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

Gabe Howe

Executive Dir. · FY2024

$84K

President · FY2024

Director · FY2024

Director · FY2024

Treasurer · FY2024

Director · FY2024

Secretary · FY2024

Director · FY2023

Secretary · FY2023

Director · FY2023

Treasurer · FY2021

Director · FY2021

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

Loading…

Explore

Similar organizations

Nonprofits working in the same field — explore who else operates in this space.

Save the Redwoods League$68.1M revenue · San Francisco, CA

International Centre for Research in Agroforestry$45.4M revenue · Alexandria, VA

American Forests$35.6M revenue · Washington, DC

American Forest Foundation$20.3M revenue · Washington, DC

Trees for the Future INC$15.6M revenue · Silver Spring, MD

Sustainable Forestry Initiative INC$13.5M revenue · Washington, DC

People like this

Similar leaders

Leaders at organizations in the same field, by reported compensation.

Gordon Van Welie

President & Chief Executive Officer · Iso New England INC

$2.3M

Mahesh Ramanujam

President & CEO Till 12/31/2021 · US Green Building Council INC

$2.0M

Vamsi K Chadalavada

Exec. VP & Chief Operating Officer · Iso New England INC

$1.7M

Brian McFarland

Sr. VP of Pr · Environment Next INC

$1.5M

Jarett Emert

VP of Partne · Environment Next INC

$1.4M

Jacob Duer

President & CEO · Alliance to End Plastic Waste INC

$1.4M