Our Team

We bring different perspectives to the table, but we’re united by a love for purposeful work, thoughtful design, and real connection.

Tiffany Arterbury, Founder and Advisor at iTallie Advisory Services LLC

Tiffany Arterbury

Tiffany Arterbury is the founder of iTallie Advisory Services and has spent more than 27 years helping businesses and individuals stay organized, informed, and confident in their financial decisions. She holds a master’s degree in financial management and is a Certified QuickBooks ProAdvisor. With extensive experience in tax, payroll, bookkeeping, and financial reporting, Tiffany enjoys working closely with entrepreneurs and small business owners to simplify the financial side of running a business.

Tiffany believes numbers should tell a clear story. She is passionate about helping clients truly understand what their financial information means so they can make smarter decisions, stay compliant, and focus on growing their business.

Outside of work, Tiffany enjoys spending time with her husband Wayne, their children and grandchildren, and their two North American Mastiffs, Crank and Clutch.

Founder/ Advisor
Christine Fonseca, Senior Associate at iTallie Advisory Services LLC

Christine Fonseca

Senior Associate

With 27 years of experience in the financial services industry, Christine brings extensive knowledge in bookkeeping, financial management, and client support. As a Certified QuickBooks ProAdvisor, she enjoys helping businesses stay organized and confident in their financial records.

For the past 12 years, Christine has specialized in payroll and HR support, assisting businesses with payroll processing, employee reporting, and day-to-day workforce administration. She enjoys helping business owners simplify their processes so they can focus on running and growing their companies.

Outside of work, Christine is the proud mom of a 21-year-old daughter. She enjoys spending time with her family, browsing antique stores, and watching softball whenever she gets the chance.

Ashley Arterbury, Office Manager at iTallie Advisory Services LLC 
Office Manager

Ashley Arterbury

Ashley brings over 10 years of professional experience with a strong background in office management, team coordination, and organizational leadership. Throughout her career, she has worked in several roles including office manager, medical scribe, and administrative support, developing a reputation for keeping operations running smoothly and efficiently. Her attention to detail, problem-solving abilities, and strong communication skills allow her to help teams stay organized while ensuring daily processes are handled effectively.

Ashley also has experience supporting marketing and social media initiatives, helping businesses stay connected with their clients and maintain a professional presence. She enjoys finding ways to improve workflows, keep projects on track, and create systems that make work easier for everyone involved.

Outside of work, Ashley is a proud mom of two and loves spending time with her family. She enjoys being outdoors, especially hiking and exploring nature, and values making meaningful memories with her children and loved ones.

Ashley’s leadership mindset, organizational strengths, and positive energy make her a valued part of any team she works with.

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