512-851-1411 info@stansfeldllc.com

Meet the Team

The Stansfeld people encompass the perfect blend of strategic talents including administration, digital technology, and marketing skills which have set the foundation for the company’s 30 years of success.

Ari Hartung

Ari Hartung


As President, Ari leads Stansfeld’s operations and client relations teams where she has streamlined processes and realigned accountabilities. Because memberships are the main source of revenue for associations, she believes providing great service in a timely manner leads to member satisfaction and, ultimately, retention. 

She has extensive experience in managing large-scale customer service operations, spending more than a decade in customer-facing operations within luxury branded hotels. In the demanding 24-hour-a-day, 365 days-a-year hospitality world, she managed customer experiences for guests who expect and deserve the best.

Ari’s teams and the service they provided were consistently recognized by customers as the best in the world. Ari’s accolades include #1 Arrival Experience for JW Marriott Brand for North America (2017 & 2018), JW Manager of the Year Nomination (2016), Marriott Opening Hotel of the Year (2015), #1 Sheraton Hotel in the Brand (2013 & 2014), White Lodging Manager of the Year (2011 & 2009), and White Lodging President’s Council Award Recipient (2010).

Ari’s strengths include (1) focusing on customer priorities and needs; (2) identifying and analyzing the causes of operational inefficiencies; (3) creating and implementing quality business processes; (4) executing business plans; (5) insuring adherence to business processes; (6) focusing on customer feedback and process improvement; and (7) identifying and developing talented customer service professionals.

Ari has a bachelor’s degree in business administration from Central Michigan University.

Michael J. Fischer

Michael J. Fischer


Michael J. Fischer has over 30 years of experience in helping organizations grow in a strategic manner. In 1997, Mr. Fischer founded Thinsolutions. His leadership and vision allowed Thinsolutions to evolve from a pioneering Cleveland network management company to an enterprising technology services provider offering a breadth of technology services.

The success behind Stansfeld has been in combining Mike’s knack for strategic growth combined with his wife Molly’s penchant for proactive administration and detail. Mike and Molly envisioned Stansfeld as a company that client organizations could turn to when they want to grow. By utilizing Stansfeld’s digital marketing expertise and business insight, associations are uniquely positioned to grow, both in revenue and member experience.

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 is currently a non-operating Partner of SaaS Factory, which includes a SaaS venture fund and a portfolio of online software businesses.

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.

Melissa Vanlangendonck

Melissa Vanlangendonck

Director of Business Development

Melissa is a dedicated, motivated professional with a proven track record of effectively managing large-scale projects and implementing innovative operational processes that enhance efficiencies. She is an out-of-the-box, analytical thinker and creative problem-solver committed to making continuous improvements in process, communication, and client satisfaction in order to enable growth.

As a business development professional, Melissa has had extensive exposure to a wide range of products and services across various industries while always making sure her clients get what they need. She takes pride in having a unique skill set, consistently informed by a driving focus on customer service.

Originally from Grand Island, Nebraska, Melissa has spent the majority of her career in the healthcare industry where she has managed staff and focused on overall business management. She received her associate degree in Applied Science and is currently putting the finishing touches on her bachelor’s degree.

As Stansfeld’s Business Development Director, Melissa has a dual role, working with clients on various strategic projects and taking the lead toward ensuring that Stansfeld’s new clients are given the utmost attention and care.

James Moorman

James Moorman

Director of Marketing

Jim Moorman is the Director of Digital Marketing at Stansfeld, responsible for steering the holistic marketing direction towards success for all our clients. He and his team are responsible for the overall digital marketing strategies that capture the attention of prospective association members and keep the attention of existing association members through website, social media, digital advertising, and public relations.
Upon his honorable discharge from the U.S. Navy in 2001, Jim spent the early part of his career in B2B technology sales, utilizing the Sandler sales methodology to guide prospects from interest to close. In his free time, he worked to perfect the craft of novel writing, penning several and publishing one. In late 2013, Jim combined his writing and sales skills to deploy a robust installation of his first HubSpot website. After the successful launch of that site, Jim saw the potential in the digital space for sustained growth over time. Since then, he has written, developed, and implemented digital marketing strategies and deliverables for a wide variety of industries, including Technology, Healthcare, Manufacturing, Finance, Transportation, Politics, and Government. Jim’s passion for writing, business, process, and team development will facilitate his clients’ continued growth. 
Cinthia Blanco

Cinthia Blanco

Membership Services Manager

An eight-year hospitality veteran, Cinthia joins Stansfeld LLC as the Membership Services Manager, where she leads the charge as the liaison between our clients and their members. Cinthia is what we like to call our “air-traffic controller” where she interacts with members on a daily basis to quickly identify, assess and develop a plan of attack to support the memberships for all our clients.

A native to South Texas, Cinthia grew up near South Padre Island and attended the University of Texas Brownsville where she majored in Biology with a minor in language interpretation and translation.

Prior to joining Stansfeld, Cinthia was a logistics coordinator for a Texas-based transportation company and, most recently, spent the last 8 years playing key leadership roles while executing memorable service, delivering superior guest satisfaction, and leaving lasting impressions on both guests and associates. 

Arianna Z. Vassallo

Arianna Z. Vassallo

Membership Services Supervisor

Originally from Galveston, Texas, Arianna grew up in Illinois and Connecticut. She attended Northeastern University in Boston, MA, where she graduated cum laude with a Bachelor of Science in Criminal Justice and a minor in International Affairs.

During her time at Northeastern, Arianna completed two six-month internships for the Brookline Police Department and the New England Innocence Project, respectively. While there, she acted as an executive assistant and managed each organization’s social media.

After graduation, Arianna relocated to Austin, Texas where she 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.

As the Membership Services Supervisor, Arianna is responsible for maintaining strong relationships between our clients and their members. She is an avid reader and writer, which is clearly displayed in her professional communications. She enjoys learning, problem-solving, and executing successful projects for her clients.

Kari Long

Kari Long

Event Manager

Kari Long joins the Stansfeld, LLC team as the Event Manager, overseeing the planning and execution of partner events.

A native of Baltimore, Maryland, Kari is a graduate of Towson University with a B.S. in Business Marketing. Kari brings 13 years of hospitality event management experience to Stansfeld. She was first hired into the banquet and events department of the Baltimore Marriott Waterfront in 2008. In 2012, she moved to The Renaissance Chicago Downtown to advance her career in banquet operations and was then selected as the pre-opening Banquet Manager of JW Marriott Austin in 2015. Kari was an influential team leader and played a significant role in leading a team to achieve #1 in Event Satisfaction for all Marriott hotels in The Americas during the opening year.

Kari moved from event operations to event planning, becoming an Event Manager in March of 2016. She quickly impressed both client organizations and event attendees with her attention to detail and spirit of service. Kari’s most recent position was Assistant Director of Event Planning. In this senior leadership role, Kari was responsible for formulating and executing the department culture and overseeing event operations in 80,000 square feet of event space with over 100 team members.

Kari’s experience in event management spans small, intimate events of fewer than 10 attendees to events with more than 100,000 guests. The scope of her events includes multi-day association conferences, galas and weddings, and event planning and operations for such notable events as Austin’s South-by-Southwest (SXSW), Austin City Limits (ACL), and the Austin Food and Wine Festival.

Lea Titas

Lea Titas

Digital Marketing Manager

Lea has 20 years of marketing experience, both in the traditional and digital space. She began her career as a media planner, identifying the ideal customer for her clients, knowing how to reach them, and understanding and speaking to their individual pain points. She has since taken that knowledge and transitioned to the digital space where she continues to meet and speak to prospects and clients where they are online.

As a results-oriented digital marketing strategist, she works with clients to develop plans that effectively meet their goals. She’s a stickler for proper grammar, a fan of the Oxford Comma, and will judge you harshly if you use the wrong there, their or they’re.

Lea manages the day-to-day digital marketing efforts for all of Stansfeld’s clients, including overall strategy, website, email, and social media. She is Content Marketing Certified through both Content Marketing Institute and HubSpot and Social Media Certified through HubSpot.

Sarah E. Moran

Sarah E. Moran

Senior Web Developer

Sarah E. Moran brings with her 25 years’ experience as an association management professional. During her tenure, she has performed several important job functions, from programmer to database manager to accountant to grant writer. These duties have given her a unique vantage point to the inner workings of the association business model and have positioned her as an expert in her field. She spends her days delivering quality strategies that grow membership and ensure organizational success.

As Stansfeld’s Senior Developer, Sarah helps associations engage their members through their websites. Utilizing the Wild Apricot platform, she improves the communications between association leadership and its members by providing improved user experiences and clear calls-to-action for users.

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