Jack Swift Berry (January 9, 1887 – June 27, 1967) was a forestry expert and lumberman and then two-term member of the California State Legislature from the Republican Party.

[7] In 1908, he was transferred successively to: Holy Cross National Forest in Glenwood, Colorado, Arapaho National Forest in Sulphur Springs, Colorado, and the newly created District 5, headquartered in San Francisco, California, where he worked in timber sales.

[1][3][4][7] He earned an advance degree from the Biltmore Forest School, in part due to a thesis on logging and lumber flumes in California.

[2][3] He served as a major in an advance party of the Tenth Engineers, Forestry Department, for the American Expeditionary Forces including time in Bordeaux and Paris (1917-1919).

[4][7] In September 1919, he became a forest (timber) valuation engineer for the California pine and redwood region at the United States Bureau of Internal Revenue, based in San Francisco.

[6] During World War II, Berry served as a lumber consultant to the National Production Authority.

[7] In 1952, Berry started service as State Senator from the then 9th District comprising El Dorado and Amador counties through 1960.

"[13] During his second term in 1957, he opposed a $157,000 "feasibility study" on the Stumpy Meadows reservoir and thus against an $85 million project on the Upper American River by the Sacramento Municipal Utility District (SMUD).

[14] In 1953, Berry became the first president of the newly formed Mother Lode Bank of Placerville (1953-1975), whose co-founders included Lloyd Raffetto.

[4] As the Division of Forestry of the California Department of Natural Resources noted, "Throughout his career, Swift Berry wrote numerous articles and bulletins on forest utilization.