512-851-1411 info@stansfeldllc.com

Meet the Team

The Stansfeld people have the perfect blend of talents encompassing administrative detail, digital technology prowess, and strategic marketing skill that have been basis of the reason the company has existed and thrived for 30 years.

Arianna Z. Vassallo

Arianna Z. Vassallo

Originally from Galveston, Texas, Arianna grew up in Illinois and Connecticut before attending Northeastern University in Boston, MA in 2011.

During her time at Northeastern, Arianna completed two six-month internships for the Brookline Police Department and the New England Innocence Project. While there, she focused on social media management and acted as an executive assistant. Arianna graduated cum laude from Northeastern University with a Bachelor’s of Science in 2015 in Criminal Justice with a minor in International Affairs, at which time she relocated to Austin, Texas.

Arianna worked for several years as a paralegal, gaining experience in office management, legal practices, and task management. She then returned to school, part time, to earn a web development certificate from Austin Community College.

Arianna excels in organization, web development, and e-commerce. She is an avid reader and writer, which is clearly displayed in her professional communications. She enjoys learning, problem-solving and executing projects.

In her free time, Arianna enjoys curling up with a good book or hiking the Greenbelt with her dog, Winnie.

Reyna Caraveo

Reyna Caraveo

Originally from Laredo, Texas, Reyna moved to San Marcos to attend college and graduated from Texas State University with a Bachelor of Fine Arts Degree in Mass Communication – Electronic Media in 2013. During college, Reyna held positions as a public relations representative and on-air personality/audio producer for the campus radio station. After graduation, she secured a full-time job with her alma mater as the Programs and Events Coordinator for Community Relations.

In a small department within the university, Reyna was responsible for event coordination, program development, volunteer recruitment and management, daily office management, employee supervision, accounting, human resources, marketing and public relations. She quickly moved up in the University Advancement division with several positions in different areas including Annual Giving, Alumni Affairs, and the Vice President’s office, all having a leadership and administrative role. Upon her final year at the University, Reyna was the Events Manager for the Vice President, executing successful events for university alumni, donors, and friends.

Reyna’s strength in planning and a passion for events led her to launch her own event management where her work has been featured in several industry publications. She is also the current Events and Public Relations Coordinator for United Way of Hays and Caldwell Counties, Event Logistics Lead for KTSW 89.9 Alumni Board of Directors, and President of the Texas State University Child Development Center Parent Association.

Reyna is a member of numerous organizations including New Braunfels Hispanic Business Alliance, Rising Tide Society Hill Country Chapter, and local area chambers. She resides in the heart of the Texas Hill Country with her husband, daughter, and two massive dogs.

Ari Hartung

Ari Hartung

Executive Assistant

Originally from Michigan, Ari has spent most of her career in hospitality managing luxury branded hotels where guests expect and deserve the best. 

But world-class service doesn’t happen by accident. It is the result of careful planning, attention to detail, carefully managed processes and well-trained staff that understand what it means to work as a team. When all of those elements are combined, the result is like a beautiful composition, played by a talented orchestra. 

Ari’s skills and talents lie in composing the songs and training the players so that guests hear beautiful music. 

Throughout her career her teams have consistently been recognized as among the best in the world’s largest luxury brands.  Ari excels in creating processes that allow associates to understand their roles and execute them flawlessly.  

A few of Ari’s Achievements include:

  • #1 Check-In Experience for JW Marriott North America, 2017 & 2018
  • JW Manager of the Year, Nomination, 2016
  • Marriott Opening Hotel of the Year, 2015
  • #1 Sheraton in the Brand, 2013 & 2014
  • White Lodgings’ Presidents Council Award, 2010


Central Michigan University, Bachelor’s in Business Administration, majoring in Hospitality.

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JoAnn Zeisig

JoAnn Zeisig

Originally from San Diego, California, JoAnn moved to Texas at a young age. She has lived in several locations throughout the state and currently resides in League City.

JoAnn is an energetic and enthusiastic professional who brings more than 25 years of successful corporate, association and non-profit management and event planning experience.

While studying Elementary Education at Sam Houston State University; JoAnn found she loved being a part of several campus planning committees and organizing events. She also served as an RA (resident advisor). Although her studies were focused on elementary education, her first job out of college was working for Continental Airlines where her love of travel began.

Throughout her career, JoAnn has had the opportunity to be a part of a variety of businesses from small start-up companies to major corporations. She is noted for successfully developing and implementing logistical production plans, establishing solid relationships with vendors and customers, and facilitating marketing and promotional efforts to maximize ROI while ensuring seamless execution and participant satisfaction.

Her background in site selection, budgeting, contract negotiations, strategic planning, design, production, and management, coupled with a detail-oriented approach, assures clients that their requirements and specifications will be met at every stage. JoAnn’s skills enable her to establish and cultivate strategic partnerships and key relationships through effective interpersonal communication and leadership. From orchestrating a full range of logistical components to providing end-to-end project management, she demonstrates proficiency in budget administration, market research and cross-functional team collaboration to optimize outcomes.

While raising her family and building her career; in 2007 JoAnn became the Founder and Executive Director of a Texas-based non-profit whose focus is on empowering young women. Their mission is dedicated to promoting confidence and self-esteem while providing an opportunity for young women to realize positive life experiences, regardless of their financial or family circumstances. JoAnn handed over the reins of leadership 2014, although she is no longer acting director, the foundation continues her legacy.

JoAnn is passionate about sharing her expertise and ongoing collective knowledge with her clients and business partners. She is an active member of CMCA – Christian Meetings & Convention Association and NSBA – National Small Business Association, has served on numerous Boards throughout her career and is also a certified Notary Public in the State of Texas. When she does take a moment to slow down, you’ll most likely find JoAnn relaxing on a white sandy beach. She loves traveling and spending time with family and friends.

Molly Fischer

Molly Fischer

Career and family are two very important aspects of life for Molly. While she may have been working hard as a stay at home mom for the past five years, she’s thrilled to be entering the work force once again.

Molly Fischer is from Cleveland, Ohio and has a wonderful husband and two young boys. Her family is now relocating to Texas and she is excited to return to a position she loves and enjoys.

Molly attended Notre Dame College from 2006 to 2009, earning a bachelor’s degree in marketing. After graduating, she took the position as the Assistant Basketball Coach for her alma mater. As a coach, she made sure players, equipment and facilities were well-prepared and organized. She also helped with administrative tasks and took the lead in recruiting of prospective players.

While coaching, Molly also worked at a local CPA and Financial Advising Firm. She was responsible for creating their digital marketing strategy, website, newsletters, and other marketing material.

One of her more recent positions was in event coordination with JP Sports and Entertainment, an agency offering turnkey event management expertise, sponsorship activation, corporate hospitality and consulting services. With this position, she assisted with scheduling and maintaining communication with vendors and participants, monitored event timelines, purchased items for events, coordinated, communicated, and even helped edit and streamline publications. She also coordinated, executed, and managed some high-end celebrity events such as The Michael Jordan Celebrity Invitational at ARIA in Las Vegas and the Notah Begay Ill Foundation Challenge in Syracuse. Molly worked to ensure each of these events went off successfully and without fault.

Molly’s main strengths are that she is a detail oriented professional and has a passion for planning and executing projects. She has used her marketing and coordinating skills to help with a variety of projects, ensuring each is more successful than the last. Molly is confident that she will use her experience to meet the needs of your company.

Michael J. Fischer

Michael J. Fischer

Michael J. Fischer, formerly the Chief Executive Officer of Thinsolutions, has over 23 years of experience in the field of information systems.  Mr. Fischer has a B.S. in Management Information Systems from Bowling Green State University, College of Business and an MBA from The Ohio State University.

Mr. Fischer founded Thinsolutions in 1997. His leadership and vision allowed Thinsolutions to evolve from a pioneering Cleveland network management company to a technology services provider offering a breadth of services including Cloud Services, Application Development and Technology Consulting Services. The company also grew geographically. While still headquartered in Cleveland, Ohio, Thinsolutions expanded with offices in Ft Lauderdale and Jupiter, Florida as well as in the Raleigh-Durham region of North Carolina.

Careful planning by Mr. Fischer put them in a position to grow their company through acquisitions. In a ten-year span, Thinsolutions acquired five different IT service firms in various locations in Florida, North Carolina and in Cleveland. A large strategic buyer, Konica Minolta, then acquired Thinsolutions in April of 2012.

Mike has been honored to appear on the cover of Crain’s Cleveland Business magazine (2001) and was a member of Crain’s 2002 “40 Under 40” class of individuals making waves in the Cleveland business community. Mr. Fischer was honored in 2013 with “The Exit of the Year Award” presented by the Exit Planning Institute for the accomplished sale of Thinsolutions to Konica Minolta.

Mr. Fischer has served for 5 years on the Board of the Cleveland Chapter of the Entrepreneurs Organization where he helped the chapter grow from 25 to 115 members. He also served 2 years on the Board of Entrepreneurs Organization of South Florida where he established a Mentorship program whereby EO members got teamed up with veteran members of the of the business community for mentoring relationships.

Mr. Fischer is currently a non-operating Partner of Metisentry, which is a cloud, software development and SaaS (Software as a Service) product development business.

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