Administrative Staff

Debbie Cooper
Director of Operations
Professional Experience
Debbie manages all administrative services and firm operations for the Talley Group of Companies. Her specialty areas include strategic planning, operational improvement, profit enhancement and business process innovation.
Jane Wielenga
Professional Experience
Michael Ausman
Marketing Coordinator
Project Manager
Professional Experience
Michael is a marketing coordinator and project manager for Talley and has been with the company since 2011. Michael has over 10 years experience in sales support and marketing. His current responsibilities include the coordination of marketing initiatives for Talley LLP and its affiliates, the development & execution of print and digital marketing campaigns, as well as assisting the partner group with sales support.
Prior to working with Talley, Michael was employed as an accounting/administrative assistant to one of the largest law firms in California.

Michael’s current interests and hobbies include: working out, basketball, reading, and computers/technology.


Bachelor of Arts, Political Science – International Relations, University of California, Santa Barbara

Certificate of Applied Project Management, University of California, Irvine

David Nguyen
Chief Technology Officer
Professional Experience
As Chief Technology Officer, Mr. Nguyen’s expertise in developing and building the technological infrastructure necessary to stimulate business growth makes him indispensable to Group 11 Advisors’ clients. With 15 years of experience, David not only understands today’s technology- driven business, but also knows how to deliver optimal solutions that fit the distinct needs of each business owner. His expertise is rooted in cloud-based technologies as well as software development and customization, which leads to the most efficient business operations. For smaller companies, the impact of customized software platforms can be astounding, as technology can level the playing field against larger business counterparts and their resources.
David’s business experience includes national and international companies within the manufacturing, distribution, textiles, and technology industries. With technology forming the backdrop for companies to attain maximum accuracy and efficiency in their financial reporting processes, Mr. Nguyen brings access to technological insights and applications to Group 11 Advisors and its clients that can drive the course of business.
David holds a Bachelor of Science in Computer Science from the California State University, Long Beach
Kenny Luu
IT Support Technician
Professional Experience
Leslie Pizzolato
Executive Assistant
Professional Experience
Leslie is the executive assistant to Andrew Talley and has been with Talley since 2014. Her additional responsibilities include both recruitment and benefits administration. Leslie brings with her a wealth of experience in accounting, payroll, bookkeeping, management, communications and computer technology.
Prior to working with Talley, Leslie was an Executive Assistant at a company located in San Clemente, CA.
Leslie earned her bachelor’s degree in Communications from the University of Nevada Las Vegas. Her certifications include Quickbooks and ProSeries. Leslie continues to renew her certification in Computer Repair & Technology since 1999.
In her spare time, Leslie volunteers for organizations such as Salvation Army, Orangewood Foster Home, and Saddleback Church Media Team.  She is passionate about music and family. She loves to camp, visit new places, go wine tasting, work out and surf with her husband.
Kaytlin MacArthur
Tax Admin
Professional Experience
Kaytlin has over 7 years in tax administration experience, specializing in customer service, tax prep (CTEC, 2014), account receivable, multi-state assemblies, and more. At her previous firm, she was responsible for converting it to be a paperless office, all while being pleasant and energetic
Prior to working with Talley, Kaytlin was employed as a tax preparer and administrative assistant at CPA firm in the Orange County area.
In her spare time, Kaytlin enjoys spending time with her family and her younger sister.
Maria “Lupe” Martinez
Administrative Assistant
Professional Experience
Lupe is an integral member of the administrative staff at Talley. Her current responsibilities include billing and accounts receivable.
Prior to working at Talley, Lupe was an office manager for 8 years at a psychology practice.
In her off time, Lupe enjoys reading, and spending time with her husband and two lovely children.
Liz Champieux
Admin Assistant
Professional Experience
Liz Champieux serves Talley on a part-time basis as an Administrative Assistant. Liz’ primarily responsibilities include maintaining client files and archiveig client records using the company’s electronic document management program. She also assists the administrative department in various ways as needs arise. Liz, whose husband Tom is also part of the Talley staff, joined the team in January of 2007 after helping to set up the scanning department at her previous place of employment.
When not at Talley, Liz enjoys spending time with her husband and three grown sons (Brandon, Justin and Andrew), and participating in activities that involve sun, sand and water, whether sitting on the beach, jet skiing, water skiing or house-boating. She also loves traveling to Vegas or to anywhere there’s a beach.
Ana Dorado
Administrative Assistant
Professional Experience
Ana is an administrative assistant at Talley and has been with the company since 2014. Her primary responsibilities include answering phones, shipping & receiving, coordinating company events, assisting the partners day-to-day and supporting the billing department.
Prior to her employment at Talley, Ana worked for a mortgage lending business as a Senior Loan Processor.
In her free time, Ana enjoys bike riding, walking, hiking, dragon boat racing and helping her daughter with her bakery business.