Tax Team

Veronica Zendejas serves as the Receptionist and Tax Preparer at Mission Hills Financial, where she plays an essential role in welcoming clients, managing incoming calls, coordinating appointments, and supporting day-to-day office operations. She ensures the front office runs smoothly while providing a warm and professional first impression to every visitor.

In addition to her administrative role, Veronica assists tax clients by helping gather necessary documentation, calculating tax obligations, and verifying the accuracy of returns. Her attention to detail and commitment to client service make her a valuable part of the tax team.

Veronica brings a strong background in financial operations, including prior roles as a department manager, payroll specialist for over 100 employees, and bookkeeper. Her experience includes maintaining financial records, generating invoices, preparing financial statements, and reconciling bank transactions. She is certified as a Tax Preparer, Bookkeeper, and through the IRS’s Volunteer Income Tax Assistance (VITA) program.

Outside of work, Veronica enjoys spending time with her family, going on vacations, playing board games, staying active at the gym, and engaging with her church community.

Darline Sandoval is a Certified Tax Preparer at Mission Hills Financial, where she focuses on preparing accurate and timely tax returns for clients. Her work is guided by a commitment to thoroughness, professionalism, and client service.

Darline has been a Certified Tax Preparer since 2011 and is also an Enrolled Agent, federally authorized to represent taxpayers before the IRS. She holds a Bachelor of Science in Accounting from California State University, Dominguez Hills, and brings a strong foundation in tax and financial reporting to her role.

Outside of the office, Darline enjoys visiting Disneyland and spending time in a place she considers her happiest escape.

Kassandra is a Certified Public Accountant with over six years of experience providing tax services across a wide range of industries and income levels. As a key member of the tax team, she specializes in tax preparation, strategic planning, and in-depth research to help clients navigate complex tax situations with confidence.

Known for her thorough, client-focused approach, Kassandra is committed to delivering accurate, personalized guidance that supports both immediate needs and long-term financial goals. She earned her Bachelor of Science in Accounting from the University of Alabama and then became a CPA in 2021.

Outside of work, Kassandra enjoys going to the beach, watching football, and traveling with her husband and their two dogs.

Kimberly Bonaccorso serves as the Bookkeeper at Mission Hills Financial, where she supports the firm’s operations through bookkeeping, payroll processing, tax preparation, and sales tax reporting. Her thorough and organized approach helps ensure the accuracy and timeliness of key financial processes.

With over 15 years of experience providing bookkeeping, payroll, and sales tax services for small businesses, Kimberly brings a depth of practical knowledge and a strong work ethic to her role. She is a self-taught professional and holds a CTEC certification.

Outside of work, Kimberly enjoys camping and baseball, and values time spent with her husband Damon, their son and daughter-in-law, two grandchildren, and their two dogs and two cats.

Minka Hull is an Associate at Mission Hills Financial and supports clients through tax planning, financial guidance, and real estate services. She holds the CERTIFIED FINANCIAL PLANNER™ designation and is an Enrolled Agent, authorized to represent taxpayers before the IRS. Minka prepares tax returns for clients and plays a key role in helping them understand how taxes fit into their overall financial picture.

Minka originally joined Mission Hills Financial in 2008 to assist with bookkeeping and quickly transitioned to a full-time role. With a strong background in helping small businesses improve profitability, she brings precision and a detail-oriented mindset to her work.

In addition to her tax and planning responsibilities, Minka is a licensed Realtor and assists clients with residential and commercial transactions during the non-tax season.
Minka Hull is an Investment Advisor Representative with Mission Hills Financial and acts as a non-registered associate of United Planners. Tax services are provided independently of United Planners.