We provide nonprofit consulting services and have been helping organizations like yours manage their administrative workload for over 25 years.

Who We Are

Your nonprofit exists to transform communities, we exist to help make that possible.

Trestle is a team of dedicated and passionate nonprofit consulting experts. We will provide your nonprofit organization access to financial, human resources and compliance specialists.

25+ years

of experience working with nonprofit organizations

100%

client retention and satisfaction from our quality performance and services

40 hours

per month is the average amount of executive director time saved to focus on their mission instead of administrative work

Our Principles

100% Mission Aligned

We care about what you do, which is why we provide support where it matters. We do the backend work so you can focus on your mission.

Quality Expertise

Our experts have more than 50+ years of experience working with nonprofits.

People Focused

Organizations like yours are not just clients, they’re our partners. This means that we always have your best interests at heart.

Logo for the Trestle website

Wondering about the name Trestle?

Trestle is an open cross-beamed framework to support an elevated structure, such as a bridge. Just as a trestle is a supporting foundation, Trestle’s focus is to be the supporting foundation that will help move your nonprofit’s mission forward.

Meet Our Specialists

  • Amber Calvino, CPA, CNAP

    President

    Amber loves numbers and forecasting

    Amber Calvino brings over a decade of experience in accounting and financial management, with a specialized focus on nonprofit organizations. As President of Trestle, she leads the firm’s strategic direction and ensures the delivery of high-quality, mission-aligned financial services to clients across the nonprofit sector. Amber’s expertise spans budgeting and forecasting, implementation of accounting systems and internal controls, and federal grant compliance. She is passionate about helping mission-driven organizations thrive by providing timely, accurate financial insights that support informed decision-making. Her leadership is grounded in a deep understanding of the unique financial challenges nonprofits face, and a commitment to building lasting partnerships with clients. Amber holds a Bachelor’s degree in Accounting from the University of Wyoming and is both a Certified Public Accountant (CPA) and a Certified Nonprofit Accounting Professional (CNAP). In her spare time, Amber enjoys traveling to the beach, golfing and spending time with her husband, young son, and chocolate lab.

  • Bryon Budensiek, CPA

    Founding Partner

    Bryon is on a mission to make our communities better

    Bryon has spent the last 10 years partnering with community organizations to increase their impact. Bryon has over 15 years of experience in nonprofit business management that includes roles in public accounting, finance and operations. He began his career with a large multinational engineering firm and has spent the last 10 years working with a multitude of nonprofit organizations, small businesses and start-ups. He is a graduate of Trinity Western University in Vancouver, Canada with a degree in business administration. Bryon is a licensed Certified Public Accountant (CPA).

  • Wendee Herold, MA, SPHR, SHRM-SCP

    Director of Human Resources

    Wendee is passionate about supporting people

    Wendee brings 10 years of management and human resources experience supporting employees in their onboarding, professional growth and development. Her specialties including employee relations, talent acquisition and performance management. She has worked in various industries including the hospital, security and social services sectors. Wendee holds a bachelor’s degree in sociology from the University of Minnesota Duluth and a master’s in organizational management from Ashford University.

  • Lauren Feeney, CPA

    Director of Client Accounting Services

    Lauren is all about the numbers

    With over a decade of experience in finance, Lauren is a dedicated and detail-oriented professional with a strong background in both public and private sector accounting. She has a proven track record of driving financial efficiencies, optimizing processes, and ensuring compliance. Lauren specializes in financial reporting, budgeting, and internal controls and is passionate about leveraging her expertise to help nonprofits achieve financial sustainability and long-term success. She holds a Master of Professional Accountancy and is a Certified Public Accountant (CPA). Outside of work, Lauren enjoys spending time with her husband and young son, taking walks, playing golf, listening to live music, and spending time in the mountains.

  • Elisa Whalen, CNAP

    Client Controller

    Elisa is here to help

    Elisa brings with her over 8 years of experience specializing in nonprofit accounting. She loves to be a part of helping nonprofits succeed at accomplishing their mission and enjoys working with nonprofit boards and executives in understanding their financials. In her spare time, she loves to get out and explore the world – traveling, kayaking, live music and photography are some of her favorite past times.

  • Jen Friar, CNAP

    Senior Client Accountant

    Jen is the master of precision

    Before joining Trestle in 2025, Jen served in various accounting roles for many years. She loves crunching numbers and working through the precise details. Her favorite thing though is working with nonprofits due to being able to build deeper relationships with each client and help guide them through the accounting/financial process. She holds a bachelor’s degree from the University of Colorado, Boulder. When she is not working, she enjoys spending time with her family, going to concerts, traveling and trying anything new!

  • Melissa Daniels

    Business Manager

    Melissa is dedicated to serving our clients

    With more than 15 years of professional administrative experience, Melissa has a proven record of accomplishment in client communications and management support. She holds a bachelor’s degree in Human Development and Family Studies from Colorado State University and is passionate about helping non-profit organizations succeed in serving their communities. Melissa’s philosophy centers around what role she can play in supporting others- she is committed to excellence in service and providing a streamlined and intuitive approach to assistance.

  • Chelsea Torres

    Client Accounting Specialist

    Chelsea enjoys problem solving

    Chelsea holds a Business Administration degree from Colorado Christian University where she discovered her love for accounting. She is excited and thankful to be using her skills and education to serve nonprofits and for the opportunity to be a part of the Trestle team. She is committed to and energized by providing excellent service to her clients and team and strives to continually learn and grow.

  • Katelynn Lehto

    Client Accounting Specialist

    Katelynn loves to keep things organized

    Katelynn started her accounting career in the construction industry in 2021. Interested in serving nonprofits, she joined Trestle in 2024. Katelynn’s organization and eye for detail helps support her clients – she loves building new relationships with them and learning how to better serve their needs and help with goal achievement. She also just loves to build! Outside of work, you can find her building something, spending time with her family or her cat, camping or doing something with cars.

Would you like to speak directly with one of Trestle's team members?

We care about what you do, which is why we provide support where it matters. Let us help you get set up, do things efficiently and make better informed decisions through our nonprofit consulting services.

Interested in joining our team of specialists?