United States & Canada
About Us

Your Professional Team

MONA Payment Solutions provides a variety of merchant services for businesses of all sizes. We are committed to delivering the latest technology in credit card processing, competitve pricing, and solutions that are tailored to your particular circumstance.

CEO & Founder

Cristina Álvarez Barrett

With over 27 years of experience, Cristina opened MONA Payment Solutions, a boutique-style agency, in 2010 to provide the personal touch so often lacking in merchant services. Cristina has won many awards for her work in the industry, most recently including the NXGEN 2018 Outstanding Achievement and 2018 Independent Sales Agent of the Year.

Cristina enjoys building long-term relationships with her clients, anticipating needs and solving problems. At the end of the day, there is no stronger feeling of accomplishment than taking care of her clients.

She has two children and two dogs. She’s an active advocate for Mental Health. She loves Pilates, spinning and traveling. Cristina loves to cook and is working on becoming a Whole30® Certified Coach.

See me on LinkedIn »

“We switched to MONA Solutions some time ago and have had exceptional, personalized service since. I can’t honestly say this for the previous processor. Cristina and Shelby are always available to us via phone or email and I will continue to recommend their services to our business associates. Great job, ladies!”


Shelby Potts

Account Executive

As an Account Executive, Shelby engages, develops, and creates new relationships. She strengthens the MONA portfolio by starting meaningful conversations with businesses who are looking for long-term and trustworthy merchant services. Shelby’s favorite part of her job is engaging with new clients and beginning impactful connections. Her core business beliefs include being efficient and effective, putting the client’s needs first, and that honest relationships are built on integrity. When she is not working at MONA Payment Solutions, she is spending time with her husband, their three Australian Shepherds, and mini-pig.

Tiara Cox

Account Executive

As an Account Executive, Tiara brings the MONA Payment Solutions pillars of integrity, community, reliability, and efficiency to our far reaching, national clients. Her experience across multiple industries in account management, sales and customer service brings valuable insight and dedication to our new and existing clients. Tiara ensures all daily needs of our clients are met with transparency and efficiency. When Tiara is not in the office, she can be found reading a book or trying a new workout class.

Meagan High

Relationship Manager

Meagan High oversees the daily needs and ongoing support of our existing clients. With her previous experience in Onboarding and Training, Meagan brings her thorough knowledge of MONA’s breadth of programs and solutions to the forefront. Meagan’s favorite part of her job is being able to provide quick and effective resolutions to our clients. Her previous career experience focused on customer service enables Meagan to provide excellent support.

Outside of the office, Meagan is spending time with her husband and two children. She also enjoys practicing her vocals and cooking delicious, homestyle southern comfort food.

Sadie Byrd

Onboarding Administrator

Sadie oversees the application and onboarding department at MONA Payment Solutions. She assists our merchants throughout this process and ensures all service needs have been accomplished. With many years of customer service in her back pocket, Sadie’s can-do attitude helps make our onboarding process smooth and efficient. She brings the MONA values of Trust and Support to the forefront.

When Sadie is not with the MONA team, she likes to spend time outside, explore new areas in her city, and hang out with family and friends.

Teresa Àlvarez

VP of Sales

As our VP of Sales, Teresa Alvarez brings an immeasurable amount of experience and knowledge to the MONA team. With over 22 years of experience in the merchant services industry, Teresa administers our account management and growth operations with the utmost integrity and reliability. Teresa’s proven track record for maintaining both rapid growth and customer care is easily proven. She was the first Account Manager to sell Electronic Check Acceptance in Louisiana and has consecutively received the yearly honor of Top Regional Account Executive since.

Teresa enjoys building relationships and driving numbers. She is a Co-Founder, Board Member and Treasurer of the highly successful, all-women, non-profit theatre company, Red Magnolia, and is a Co-Chair of the AWBA – La Capitale Chapter (LA). When Teresa is not in the office, she is building her photography portfolio or playing with her grandchildren.

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MONA Payment Solutions

We are a top-rated, full-service merchant solutions company that enables businesses to accept credit cards, debit cards, mobile payments, and electronic payments.

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