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BNI San Francisco Bay serves Alameda, Contra Costa, Marin, Napa, Santa Clara, Solano, and Sonoma counties.

More Information. Contact the BNI San Francisco Bay: by calling (707) 773-1370 or by email.

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Marco Grelli

Phone 925-6590304

Marco Grelli
Mass Mutual
3000 Executive Parkway,
Suite 400
San Ramon, CA 94583

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Marco Grelli

Mass Mutual
Chapter: Contra Costa Business Referral Network

Insurance, Life