St. George Our Team

Timothy Allen CPA

Timothy Allen, CPA Managing Partner

Timothy Allen, managing partner of St. George Bookkeeping, has more than twenty-five years of winery finance experience, including five years with a Big 4 CPA firm working with wine clients, fourteen years with wineries working in operations, and ten years leading St. George Bookkeeping.

Bachelor of Arts, Business Economics, UC Santa Barbara 1991
Master of Science, Taxation, Golden Gate University 1993
Active California CPA license issued 1995
St. George Bookkeeping, managing partner 2009 - present
Kuleto Estate, president & CFO 2008 - 2009
Rosenblum Cellars, CFO 2004 – 2008
Robert Mondavi, operations director for Arrowood 2002 – 2004
Sonoma-Cutrer Vineyards, CFO 1997 – 2002
Kendall-Jackson, controller for La Crema 1996 – 1997
Deloitte & Touche, audit & tax, wine clients 1992 – 1996

Megan Nelms, CPA Accounting Manager

Megan Nelms, CPA Accounting Manager

Megan Nelms manages the accounting staff for St George Bookkeeping. She has more than ten years of winery finance experience and staff management.

Bachelor of Science, Business Administration, Sonoma State University 2008
St George Bookkeeping, accounting manager 2014 - present
Siduri Wines, staff accountant 2012 – 2014
Planet Fitness, senior accountant 2009 - 2011
PriceWaterhouseCoopers, staff accountant 2008 – 2009
The Ranch Winery, staff accountant 2007 – 2008



Jessica Echeverria, Staff Accountant

Jessica Echeverria, Staff Accountant


Bachelor of Science, Business Administration, Sonoma State University 2015
St. George Bookkeeping, staff accountant 2015 - present
Digilock, staff accountant 2014 - 2015
Bank of the West, customer service representative 2014
707.536.9596


Stephanie Sims, Staff Accountant

Stephanie Sims, Staff Accountant


Bachelor of Science, Viticulture & Enology, Minor in Managerial Economics, UC Davis 2007
St. George Bookkeeping, staff accountant 2017 - present
Haas & Reaney LLP, staff accountant 2017
Real Wines Company, sales representative 2014 - 2017
Mills Reef Winery Wellington NZ, sales manager 2013 - 2014
Centre City Wines & Spirits Wellington NZ, retail assistant manager 2010 - 2013
Dorrien Estate Winery Barossa Valley, harvest cellarhand 2009
Corbans Winery Pernod Ricard Napier NZ, harvest cellarhand 2008
Weingut Eckehart Gröhl Weinolsheim, Germany, cellar & vineyard intern 2007 - 2008
Mumm Napa Pernod Ricard Napa, lab assistant 2006


John Smallen, Staff Accountant

John Smallen, Staff Accountant


Bachelor of Science, Accounting, University of Phoenix 2015
St. George Bookkeeping, staff accountant 2017 - present
Various clients, accountant & bookkeeper 2015 - 2017
Oakville Grocery, accountant & general manager 2014 - 2015
Dry Creek General Store, general manager 2008 - 2011
707.843.3263


Megan White, Staff Accountant

Megan White, Staff Accountant


Bachelor of Science, Business Administration, CSU Hayward 2016
St. George Bookkeeping, staff accountant 2017 - present
Keller Williams Realty, accountant 2017
Rigetti Quantum Computing, office manager 2016 - 2017
707.528.3911


Michelle Ivashkevich, Staff Accountant

Michelle Ivashkevich, Staff Accountant


Santa Rosa Junior College, 2014 - 2016
St. George Bookkeeping, staff accountant 2018 - present
Redwood Empire Food Bank, finance assistant 2016 – 2018
Summit Engineering, bookkeeper 2015 - 2016
Guide Dogs for the Blind, accountant 2014 - 2015
Santa Rosa Entertainment Group, accounting supervisor 2006 - 2014
707.978 2386


Yvette Mendoza, Staff Accountant

Yvette Mendoza, Staff Accountant


Bachelor of Science, Business Administration, Sonoma State University 2017
St. George Bookkeeping, staff accountant 2018 - present
Pisenti & Brinker, staff accountant 2017 – 2018
Kaleidoscope Digital Marketing, customization consultant 2015 - 2018
Dillwood Burkel & Millar LLP, intern 2016
707.978.2729


Lauren Brown, Office Manager

Lauren Brown, Office Manager


707.806.2273