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Meet the team

Your file is handled by named people in the San Leandro office.

Tax preparation, bookkeeping, document collection, client communication, review, and office coordination are distinct jobs. Here is who does what.

Elizabeth P. Ferreira, EA, Enrolled Agent and Owner at GTS & Associates, Inc. in San Leandro, California

Elizabeth P. Ferreira, EA

Enrolled Agent and Owner
  • Leads tax preparation and tax planning engagements
  • Represents taxpayers before the IRS as a federally credentialed Enrolled Agent
  • Reviews returns and answers technical tax questions year-round
Read Elizabeth's full profile
Andrea Castellanos, Administrative Assistant and Bookkeeper at GTS & Associates, Inc. in San Leandro, California

Andrea Castellanos

Administrative Assistant and Bookkeeper
  • Bookkeeping and recurring account reconciliations
  • Administrative support and document intake
Anne Chavez, Registered Tax Preparer / AFSP and Office Manager at GTS & Associates, Inc. in San Leandro, California

Anne Chavez

Registered Tax Preparer / AFSP and Office Manager
  • Prepares tax returns as a California registered tax preparer
  • Holds an IRS Annual Filing Season Program (AFSP) Record of Completion — a voluntary continuing-education record, not a license or certification
  • Coordinates office operations and client scheduling
Lynn Personen, Tax Preparer at GTS & Associates, Inc. in San Leandro, California

Lynn Personen

Tax Preparer
  • Prepares individual and business tax returns
  • Follows up on missing documents and open questions
Sunita Naidu, Tax Preparer at GTS & Associates, Inc. in San Leandro, California

Sunita Naidu

Tax Preparer
  • Prepares individual and business tax returns
  • Assists with organizer review and data entry
Takim Sikin, Clerical Assistant at GTS & Associates, Inc. in San Leandro, California

Takim Sikin

Clerical Assistant
  • Document handling, scanning, and file organization
  • Supports the office during filing season
Vicki Crenshaw, Office Administrator at GTS & Associates, Inc. in San Leandro, California

Vicki Crenshaw

Office Administrator
  • Client communication and appointment coordination
  • Tracks engagement status and outgoing notifications

How roles are described here

Each person is listed with the title and responsibilities the firm currently publishes. Where a team member has not supplied a biography, we describe the role rather than inventing personal history. Anne Chavez's AFSP status refers to the IRS Annual Filing Season Program Record of Completion — a voluntary continuing-education record, not a license or professional certification. Titles, credentials, and responsibilities are confirmed with each team member before publication.