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Because (the Jump Start Class) is taught by CPAs, many people might assume that it's all about numbers (i.e., statistics). However, your course was so much more than that -- not only goals, but how to actually achieve them, using innovative and unusual (but effective) management concepts. In addition to teaching...

Brett Meltzer, Turnbull Wine Cellars

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Geni Whitehouse is a consulting team member with BDCo. She is the author of How to Make a Boring Subject Interesting: 52 ways even a nerd can be heard, which is available on Amazon.com. Geni has been named one of the 25 most powerful women in accounting by CPA Practice Advisor, one of the Top 100 Influencers by Accounting Today magazine, and one of the Top 25 Thoughtleaders in Accounting. Her primary area of focus is expanding BDCo's strategic management services. Geni is an instructor at the WISE Academy,where she teaches accounting concepts to winery staff and is a former board member of the Napa/Sonoma Chapter of Women for WineSense where she served as Education Director. She was a member of TEDxNapaValley.org and spoke at their event in September of 2011. You can read Geni's blog posts here. Geni is a CPA licensed by the Georgia State Board of Accountancy.

Geni WhitehouseCountess of Communication

Jake Thomas has a unique background which combines advanced studies in Physics and WSET Level 3 certifications in Wine & Spirits. He has taught physics classes at Stanford and created more than 500 custom cocktails at high end resorts in the Bay Area. Whether he finds himself behind a desk, in front of a classroom, or working the bar, Jake is motivated by the impact he is able to have on others. Jake is a life-long learner who looks for new ways to stretch beyond his comfort zone. We are grateful to have access to his curiosity, knowledge, and mixology magic as a member of the firm’s administrative team. When he has time outside of work and is not busy researching Quantum Field Theory, Quantum Electrodynamics, Chaos Theory or mixing whiskey cocktails, Jake is fond of trips to Canada for back country snowboarding.

Jake ThomasIrrational Number Nerd

Mattie Eagle is a graduate of Grinnell College in Grinnell, Iowa where she majored in History and Studio Art. After graduation, travel, and several applications of her entrepreneurial talents, she went back to school at Western New Mexico University to gain the accounting credits that qualified her to become a CPA. In 2022, she added a Masters of Taxation to her credentials. She was raised in Minnesota and now lives in Silver City, New Mexico with her husband and two children. She is a full-time member of the BDCo tax team. She particularly enjoys researching tax laws as they change in search of new opportunities to help our customers. Mattie loves supporting her customers as they take calculated risks, pursue the expansion of their passions, and become owners of their financial futures. An avid cyclist, Mattie is inspired by those who lead a “self-directed life” and enjoys applying her considerable talents to local sports, charitable organizations, and entrepreneurs who are seeking to build successful businesses. Mattie is a CPA licensed both by the New Mexico Board of Accountancy and the California Board of Accountancy.

Mattie EagleSilver Spinner

Erica Umphreyville has always been surrounded by numbers and accountants—from her parents to her siblings—but her true passion lies in making a meaningful impact on her community and for her clients. A graduate of Southern Methodist University in Dallas, Texas, Erica holds a Master of Science in Accounting. She honed her expertise at a Big 4 CPA firm, focusing on the governmental and non-profit sectors, and more recently served as a Controller, overseeing the financial operations of 24 Title I charter schools. Erica’s deep connection to her work is inspired by the powerful women in her life, especially her mother, who rose from an Accounts Payable Manager to a Director of Finance in the Biotech industry, embodying the hard work and dedication that Erica values. Though based in Texas, Erica is excited to work with wineries, leveraging her unique blend of analytical prowess and creative problem-solving to unravel complex accounting challenges and help clients achieve their goals. When she’s not delving into data or strategizing with clients, you might find Erica appreciating nature, whether it’s walking on a trail near her apartment or engaging in a competitive game of pickleball. She also enjoys exploring her culinary side, cooking Italian food, and growing her own herb and vegetable garden. Erica is a CPA, licensed by the Texas State Board of Public Accountancy

Erica UmphreyvilleAltruistic Auditor

Randy Gnagy has been a CPA for more than 35 years, having first joined BDCo in 2000. He is the firm's senior tax specialist, and has a great deal of experience in interstate taxation and tax preparation for nonprofit organizations. Over the years he has been active in Junior Achievement, the Arts Council of Napa Valley, the Napa Valley Shakespeare Festival, and has served on the board of Napa Emergency Women's Services and UpValley Family Centers of Napa County. He has also done volunteer work at local schools. An avid cyclist, he holds a BA in history from California State University, Fresno. Randy is a CPA licensed by the California Board of Accountancy.

Randy GnagyPain Reliever

Heather Sprauve is a native of Deer Park, California. She attended Pacific Union College (PUC) in Angwin, then transferred to their sister college, Atlantic Union College in South Lancaster, Massachusetts, before returning to Angwin to complete her degree. She started out as an art major but after taking her first business class, discovered an aptitude for accounting and made that her major. Heather moved to the Virgin Islands where she married and spent 18 years working for an accounting firm. She worked for BDCo part-time for a few years and then following the devastating impact of hurricanes Irma and Maria, returned to California. While she enjoys being back in California, Heather misses her daily view of the Caribbean Ocean from almost any spot on the 31 square mile island of St. Thomas. Her interests include hiking, traveling and exploring new places.

Heather SprauveGlobal Gallivanter

Dawn Marshall is a Napa native. She briefly left the Napa Valley for a sojourn to Miami, Florida but returned to Napa to begin her professional career. Her first job was in a florist, before moving to high-end hospitality, then winery accounting and for the past 17 years she has been serving in a number of different roles in city government, culminating in the role of Human Resources and Administrative Manager. She is a two time recipient of “Award of Financial Reporting” by the Government Finance Officers Association. When she’s not helping “humans with resources”, she is likely to be gardening, quilting, or arranging items in her home to be more aesthetically pleasing. Dawn is the mother of 3 children – 2 sons and a daughter who all seem to have inherited some of her creative abilities. As a young woman, Dawn went off to purchase her first automobile, a Renault, at a local Napa automobile dealer. While she was unsuccessful in securing her dream automobile, she ultimately walked away with a first date with her now husband of 29 years.

Dawn MarshallTeam Harmonizer

A graduate of North Dakota State University, Summer majored in accounting and minored in fraud investigation, finding her way to the field of accounting almost by accident. Initially planning a career in law enforcement, everything changed when she took her first accounting class and discovered a new passion. Specializing in Individual and Business Tax, Summer is committed to finding tailored solutions for her clients through thoughtful communication. She firmly believes that a one-size-fits-all approach doesn’t work and takes pride in building strong client relationships to address unique needs. Outside of work, Summer is an avid traveler and finds joy in exploring new places and cultures. A proud animé enthusiast, she admires the profound teachings and life lessons delivered by its characters. Her hobbies also include Pokémon, reading (especially Stephen King novels), and spending time with her growing family. Summer cherishes the years she spent living in the beautiful country of Bahrain, which enriched her love for different cultures and experiences. Summer is a CPA licensed by the Montana Board of Public Accountants.

Summer ZitoAnimated Taxster

Erica Riddle, CPA is a partner in Brotemarkle Davis & Co. specializing in tax and assurance services, operational reviews and business consulting. Erica also serves as the firm's wine industry analyst, spearheading the firm's efforts to provide and share key insights into the wine business with our customers. Erica joined BDCo in 2013 and has both a Masters in Accounting from California State University, Sacramento and a Masters of Science in Taxation from Golden Gate University. She is also certified in Strategic Performance Management. Prior to joining BDCo, she was the Labor Optimization Manager at Six Flags Discovery Kingdom. Although her office was located right next to a roller coaster, Erica says her favorite attraction at the park was the tigers she first got to know as cubs. As a knitting hobbyist, Erica says the key to her success is patience and concentration, which also makes her a wizard at spreadsheets, programming, and all things accounting. She also holds the unprecedented distinction of being a candy maker and is a "third-generation Riddle Brittler". Erica is a CPA licensed by the California Board of Accountancy.

Erica RiddleExcelerator

Guy Carl has been a CPA with BDCo since 1992 and a partner since 2005. He specializes in helping small wineries with tax preparation and planning, financial statements, forecasting, and accounting software guidance. Guy enjoys helping business owners understand how their businesses work and perform, and empowering them to be more successful. Born and raised in the Napa Valley, Guy holds an accounting degree from St. Mary's College. He is a past-active member of the Napa Active 20-30 Club, an organization dedicated to helping children in the community. An avid outdoorsman, Guy can often be found alongside a mountain stream or floating on a lake with a fishing pole nearby. Guy is a CPA licensed by the California Board of Accountancy.

Guy CarlProfit Prophet, CFO

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