All International Wine Center Instructors hold the WSET Level 4 Diploma in Wines & Spirits and are credentialed by the New York State Department of Education.

Click on the name of each instructor to learn more.

  • Mary Ewing-Mulligan, CWE, MW

    President, Instructor

    Mary is the first woman in America to become a Master of Wine, and is currently one of 48 MWs in the U. S. In addition to operating International Wine Center and lecturing in WSET Level 3 and Level 4 classes there, she is a freelance wine writer, an author, a speaker and a wine judge. Mary is past president of the Institute of Masters of Wine (North America), and Executive Director of U.S. Programs for WSET.

    She co-authored (with Ed McCarthy) the books Wine Style and the groundbreaking Wine For Dummies, both published by Wiley & Sons. With more than one million copies sold, and translations into more than 35 languages, Wine For Dummies is the fastest-selling wine book ever in the U.S. The couple have also authored White Wine For Dummies, Red Wine For Dummies, Wine Buying Companion For Dummies, Italian Wine for Dummies, French Wine for Dummies and California Wine For Dummies. Both Wine For Dummies and Italian Wine For Dummies were nominated for James Beard Foundation book awards.

    Mary is a regular columnist for the online wine publication, Wine Review Online ( and a freelance writer for other publications. She was the wine columnist for The Daily News in New York City for ten years.

    Her accomplishments have been featured in numerous publications, including The Wall Street Journal, Food & Wine magazine, The New York Times, The Wine Spectator, Newsday, and Gourmet, and she has made dozens of television appearances. She also frequently judges at major national and international tasting competitions, and lectures to private groups.

  • Anne Cox, DWS


    Hailing from Northern California, Anne was bitten by the wine bug early in life and vowed to one day channel her analytical attention to the field. Retirement from a successful career in finance gave her that opportunity. She quickly worked her way through the WSET Diploma program, not yet sated; she is constantly working to enhance her knowledge and plans to pursue the Master of Wine program. Presently, Anne works as a senior sales specialist for Sherry-Lehmann Wines in Manhattan, teaches for International Wine Center and provides Auction Advisory services to collectors. Her greatest joy is in demystifying wine and giving people the confidence to trust their palates.

    Anne holds a B.A. degree in Economics from University of California at Davis and an M.B.A. degree from Columbia University School of Business, graduating top of her class. She is also a Chartered Financial Analyst and holds a Diploma in Wine & Spirits from the WSET in London.

  • Candela Prol, DWS, CWE, AS


    Candela Prol has 20 years experience working in the wine industry, though she began her career in the kitchen, graduating Cum Laude from Johnson & Wales University’s Culinary Arts College and working several years as a cook and pastry chef in Rhode Island.

    Candela was the sommelier at Pier House Hotel, the wine director and educator of Louie’s Backyard Restaurant, both in Key West, Fla. and a consultant for Fatfish Restaurant in Bayshore, N.Y.

    She was a sales representative for the North Fork, Long Island wineries Lenz, Palmer and Paumanok, a contributing editor to Food & Wine Magazine’s Wine Guide 2000 and is the buyer of Spanish wines for Marble Hill Cellars. She had a long-standing affiliation with retailer Astor Wines & Spirits in New York City and currently is the wine educator for Chambers Street Wines.

    At International Wine Center, Candela teaches the WSET® Level 2 Intermediate Course, as well as the WSET Level 3 Advanced Course and WSET Level 4 Diploma classes specializing in Spain and Portugal. She teaches cheese and beverage pairing at Artisanal Cheese Center and has taught the Wine Sensory Evaluation Course for the Department of Hospitality at the New York School of Technology.

    Candela holds the WSET® Advanced Certificate with Distinction and earned the WSET® Diploma in 1997. She is a Certified Wine Educator through the Society of Wine Educators and holds certificates in wine, beer and cheese from the Spanish Wine Academy, the Siebel Institute of Technology, the Napa Valley Wine Alliance Academy and Artisanal Cheese Center. She also holds a degree in anthropology from the New School.

  • Jessica Green, DWS


    Jessica Green came to wine studies via a background in scholarship and journalism. During a high school year in France, she toured a vineyard for the first time and developed a life-long interest in wine. She was a Morehead-Cain scholar at the University of Chapel Hill and earned an MA in Renaissance Studies at Yale. She studied at the University of Bologna and later spent a year in the Chianti Classico region of Tuscany. For five years, she lived in Lyon, France, between Beaujolais and the wines of the Northern Rhone.

    She has pursued a career in publishing, as a book and magazine editor, a literary agent, and now as a writer. She earned the WSET Diploma in 2009 and is currently a candidate for Master of Wine. A native and current New Yorker, she is the mother of twin boys and is married conveniently to a husband who writes about food.

    At International Wine Center, she currently teaches WSET Level 1 Foundation classes and WSET Level 2 Intermediate classes.

  • Jim Hutchinson, DWS


    Jim Hutchinson manages Domenico Valentino, a Manhattan-based importer and distributor of European wines. He has been with the company since it was founded ten years ago. The company’s initial focus was on distinctive, regional, typical Italian wines. The portfolio was recently expanded to include hand-crafted wines from Germany, France, Austria and Lebanon. Prior to his working at Domenico Valentino he was the operations manager at Olcam Management, the parent company of I Trulli and Centovini restaurants and the retailer Vino Fine Wines and Spirits.

    Currently Jim teaches Advanced Certificate Italy and Diploma Southern Italy. He earned his WSET Diploma in 2005 and a master’s degree in Food Studies from NYU in 2001. He lives in Flatbush, Brooklyn with his wife Erika and two daughters Lucinda and Beatrice.

  • Mary Gorman, DWS, MW


    Mary Gorman is an instructor at the WSET Level 2 Intermediate and WSET Level 3 Advanced Course levels and a guest instructor at the WSET Level 4 Diploma classes. Her specialty is Champagne and sparkling wine. Mary joined the staff of International Wine Center in 2002, having moved with her husband to New York from Dublin, Ireland. Mary earned the WSET® Intermediate Certificate and Advanced Certificate in Dublin, and she successfully completed the WSET® Diploma in New York in June 2003. She became a Master of Wine in 2011. During the course of her MW studies Mary was awarded both the Trinity Champagne Scholarship and the Constellation Brands scholarships. In the MW Exam, she won the Errazuriz trophy for the top performance on the subject of the Business of Wine.

    Apart from teaching Mary is the wine columnist for the highly popular blog and website, a freelance wine writer and wine judge. Mary graduated from Dublin City University in 1986 with a Bachelor of Arts (Honors) in Languages & International Marketing. In 1989 she graduated from University College Dublin (UCD) Graduate Business School in 1989 with a Master of Business and Science (Honors) in International Marketing – and was awarded both the Dean’s List Award & the Sir Charles Harvey Award for academic excellence in post-graduate studies. Prior to joining International Wine Center, Mary held many senior marketing and business strategy positions in Dublin and Paris (France) and lectured in International Marketing Strategy at The UCD Graduate Business School.

    Mary is a member of the Society of Wine Educators in the US and a regular speaker at their annual conference. An avid food lover and cook, Mary spends many weekends exploring the farmers’ markets of New York with her husband Joe and 8 year old son, Luca.

  • Mary John Baumann, DWS


    Mary John began her career in the fragrance industry with Estee Lauder’s affiliate in Stockholm. She then returned to New York to embark on a career in global marketing of luxury fragrances with Avon, Estee Lauder and Coty.

    Professional experience in fragrance marketing merged with a personal interest in wine study and global wine travel. In 2009 Mary John was awarded the WSET Diploma certificate and has been a devoted candidate for the Master of Wine title.

    Mary John is the founder of “Nose in the Glass” which seeks to educate consumers on the role of sensory skills in wine appreciation. Her goal is to help demystify wine and encourage consumers to trust their own instincts while exploring all of the sensory pleasures that wine has to offer. She has also served as Brand Ambassador for Champagne Ruinart. She honed her wine selling skills as a wine consultant for Sotheby’s Wine and a French Wine Specialist for Vintry Fine Wines.

  • May Matta-Aliah DWS, CWE


    May Matta-Aliah is a New York-based wine educator and president of In the Grape (, an organization dedicated to making wine and spirits education accessible to everyone from the curious appreciator to the wine trade professional.

    May is an instructor for the WSET Level 2 Intermediate class, as well as a specialist instructor for the WSET Level 3 Advanced Course and WSET Level 4 Diploma classes. She is a frequent presenter at Astor Center, and was a guest wine instructor at Schiller International University, a culinary school in Switzerland.

    As of April 2009, May has been the Armagnac Ambassador to New York and has been training retailers, restaurant wait-staff and bartenders on the diverse pleasures of France’s oldest spirit.

    May has worked at New York City’s largest retail store, Astor Wines & Spirits, and has experienced firsthand the practical aspects of wine-making through time spent working the harvest at Lenz Winery, on the North Fork of Long Island.

    Prior to her involvement in the wine world, May was a creative director with over 15 years of experience in the field of design and promotions aimed primarily at the wine trade.

    May holds numerous regional certificates as well as the Wine & Spirit Education Trust® Advanced Certificate with Distinction and the WSET® Diploma, which she earned in 2000. She also holds the American Sommelier Association (ASA) Certificate, and is a Certified Wine Educator through the Society of Wine Educators, for which she was also the Banfi Award Recipient for 2001.

  • Michael Ahlborn, DWS, CWE


    Michael is the National Development Coordinator at International Wine Center. After many years in the auto industry, and later in information technology, the tech crash of 2000 encouraged him to explore the world of wine full time. For several years he worked for wine retailers in New Jersey and Philadelphia and taught WSET® courses at the Philly Wine school.

    At IWC he continues his involvement with WSET®, where he divides his time between developing the WSET® provider program throughout the United States and helping IWC students navigate their way through the challenging Diploma program. Michael is a Certified Wine Educator through the Society of Wine Educators and completed his WSET® Diploma studies at IWC in 2005.

  • Mollie Battenhouse, DWS, MW


    Mollie began her culinary career in Atlanta, Georgia, at Indigo Restaurant and then moved to Partners Restaurants in the Virginia Highlands. She attended the Culinary Institute of America in Hyde Park, N.Y, where she graduated at the top of her class. Her CIA apprenticeship was at the Palace Café, one of the Brennan Family restaurants in New Orleans. She then moved to New York City, and worked for Payard Bistro, owned by Daniel Boulud.

    In 1998 Mollie began her wine career at Best Cellars, an innovative wine retail store in New York City, where she became the Wine and Training Director. In 2006, she became Sommelier at Tribeca Grill. She has been studying wine intensively for the last several years. Mollie earned the Master of Wine credential in 2015.

    In addition to instructing at International Wine Center, Mollie teaches wine classes at the 92nd Street Y and the Natural Gourmet Center, in NYC, and also teaches private cooking classes.


  • Scott Rosenbaum, DWS


    Scott Rosenbaum is the Spirits Strategist for T. Edward Wines. He holds an MA in Food Studies from NYU; he has worked at the International Wine Center as Director of Operations, Wine Buyer for, and Director of Strategy at Vino Fine Wine and Spirits. He is a judge at multiple wine and spirits competitions. He has also been a consultant for Madame Claude Wine in Jersey City since it opened in 2010. Scott currently resides in Jersey City with his books.

  • Tad Drouet DWS, CWE


    Tad Drouet is a wine sales representative with Michael Skurnik wines, a highly-respected, quality wine importer and distributor in the New York and New Jersey areas. He is an instructor and board member for the Sommelier Society of America, and has designed and taught classes in both commercial and private venues.

    Tad is a 1990 graduate of Williams College, with a bachelor’s degree in psychology. He was bitten by the wine bug at age 21 during a trip to Europe, after tasting a great bottle of St.-Emilion in the town of Bordeaux on Christmas Eve. In 1998 he left a seven-year sales career in the pharmaceutical industry to pursue his passion for wine full time.

    He holds the Wine & Spirit Education Trust® Advanced Certificate with Distinction and earned the WSET® Diploma in 1999. Tad also holds the Sommelier Society of America (SSA) Certificate and is a Certified Wine Educator, of the Society of Wine Educators.