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Our Sandler | New York City Team

  • Susan Villamena

    Susan has over 25 years of experience in all facets of sales: training and development, sales management, recruiting, and executive coaching. She is a widely regarded expert in sales force development and has helped hundreds of CEOs, Business Owners, and sales leaders to achieve substantial gains in their revenue and profits. Before joining Chartwell Seventeen Advisory Group, Susan was a Founder and Partner at S&R Associates, a New York-based sales force development firm and affiliate of Sandler Training. Susan began her career in sales and sales management working in the entertainment industry, for CBS Records International (later known as Sony Music). From there she became International Sales Manager for CBS/Fox Video and then Vestron Video. Through these experiences, she learned that desire plus commitment, along with a willingness to take personal responsibility was critical to a successful career.

    She holds a B.A. from St. John’s University. A published author and sought-after public speaker, Susan was honored by 914 Inc. Magazine as one of Westchester’s Most Accomplished Women Entrepreneurs. She currently resides in Westchester, NY with her husband.

    Contact information:

    Phone: 914-804-7988

  • Joan Stephens

    Joan has been associated with Sandler for over 20 years helping salespeople and customer service professionals master the behaviors, attitudes, and techniques to maximize their potential. She supports our clients by reinforcing their learning with Sandler Online, Sandler’s learning management system, and assists with contract management, invoicing, and financial accounting.

    Joan began her professional life as a small business owner with her husband and has served as operations and accounting director for 30 years.

    Special recognition: Joan and her husband Jim are the proud recipients of the 2021 David H. Sandler Award. This is the highest award given in the Sandler network and its purpose is to recognize the embodiment of Sandler principles and the spirit of founder David Sandler, as well as the Sandler brand.

  • Nadia Evans

    Nadia has been with Sandler Training for 7+ years and has been dedicated to Client Success since 2020. Before Sandler, Nadia worked in the music industry for 17 years in major support roles, as well as in the non-profit space before that. Nadia belongs to several Client Support accountability groups in Sandler and helps to run one of them. Providing the best and most robust client experience and learning journey for each of our clients is her daily goal. She also enjoys putting organizational processes into place, especially when it helps to facilitate clear communication between customer service departments and sales reps. She has a Master of Arts degree in Italian and is fluent in Italian and Spanish, and enjoys spreading knowledge about the beautiful Italian language and culture.

    Contact information:

  • Jamie Bolak

    Jamie has over 20 years of experience in advertising, brand development, and strategic digital marketing. She began her professional career as an art director and email marketing expert for several ad agencies in the Detroit area. Jamie and her husband owned a Sandler Training business in Boulder, CO, for 8 years.

    Jamie now leads our communication and marketing efforts, coordinating and directing the Sandler marketing strategy. She also oversees day-to-day social media, event promotions, and brand presence.

  • David Fischer

    David founded Chartwell Seventeen Advisory Group, Inc., a certified Sandler Training Center based in New York City, in 2012 and serves as President. With over 25 years of sales and sales management experience, his expertise in sales training extends across a wide landscape of industries enabling companies to build high-performance sales cultures. In addition to his experience working with numerous industries, he has trained thousands of sales colleagues involved in all aspects of the sales process. He particularly enjoys working with selling professionals tasked with generating pipelines through a series of disciplined prospecting behaviors.

    David is a published author holding a variety of authorship titles and awards. He is also an established public speaker, facilitating professional interactive workshops with Associations, Chapter Meetings, Chamber of Commerce, Company Development Days, and Educational Institutions across New York City.A native New Yorker, David holds a B.A. from the University at Albany: State University of New York as well as an MBA from Columbia Business School.

    Contact information:

    Phone: 212-626-6523

    Connect with David Fischer on LinkedIn

  • Robert Heiss

    Bob is a seasoned expert in sales force development and training and brings over 22 years of experience to the table. He is a former managing partner of S&R Sales Development, LLC, a licensee of Sandler Training. Throughout his career, he has worked with a diverse clientele, ranging from Fortune 1000 companies to startups and individual salespeople. His impact on clients' bottom lines has been profound, consistently maximizing their sales potential. In founding S&R Sales Development, Bob honed his expertise in sales management and leadership, advocating for collaborative approaches that proved pivotal for startups looking to scale rapidly and established companies navigating market changes.

    Specializing in the implementation of the Sandler Selling System, Bob achieved remarkable results, showcasing its effectiveness in today's competitive business environment.

    Currently serving as a consultant with Sandler Global Training, Bob focuses on helping large international corporations enhance their sales management, processes, training, and overall sales force development. His mission revolves around assisting companies in building world-class sales organizations by establishing common language, metrics, structure, and processes.

    Bob's coaching prowess extends to a consultative, client-centric, solution-based selling system—the Sandler Selling System. His expertise also covers enterprise sales, managing long, complex sales cycles with high-ticket products and services. Before his tenure at S&R Sales Development, Bob spent 19 years in various roles at a large textile company, culminating in the position of National VP of Sales. His leadership resulted in significant growth in new revenue and profitability.

    Beyond his professional achievements, he served on the Board of Directors for Binding Together, contributing to the nonprofit's mission of training former inmates and people recovering from addiction for careers in the printing industry. With a firm belief in the importance of strategic plans for sales growth, Bob leverages his diverse experiences to customize successful approaches to various sales situations.

    Contact information:

    Phone number: (914) 804-7839

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