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Karl is an accomplished professional writer who has authored hundreds of published articles and papers. He holds a Master of Science in Management Communications, a Bachelor of Arts, in Communications and Media and has served as an instructor of Marketing Research as a Communication Tool at Manhattanville College, School of Graduate Studies.
His writing has been published in The New York Times and he is a contributor to National Public Radio (NPR) and his first book will be published in 2018. Karl is the author of the monthly column Under the Radar with more than 100,000 readers. More than 300 of his essays and interviews have appeared in All About Jazz,Chicago Jazz Magazine and The New York Jazz Record. He is a contributing writer to Deepak Chopra's "Home" Project. Karl is a member of the National Association of Independent Writers and Editors and the Jazz Journalists Association.
“… your writing transcends industry verticals and finds itself comfortable in corners of the world beyond Jazz…you bring a broader perspective to your writing that makes it both personal and accessible.” – Jeff Pearring / Pearring Sound
“…thank you so much for your brilliantly crafted piece on our first album; we enjoyed it immensely! - Rob Pumpelly / Atma Nadi Records
“…his experience shines through in terms of interpretation of results and strategic implications.” Charley Hajduk, Chief Executive Officer
“…in my estimation, you are one of AAJ's [All About Jazz] most valued (and reliable) contributors and it's been that way for quite some time.” Michael Ricci, Publisher, All About Jazz
“He has the ability to explain validity in ways that are impactful and yet will be heard. He does this with strong narratives that help get at the root of issues so that they can be solved quickly and cost effectively. Karl can also unify classical and new techniques across diverse disciplines such as statistical analytics, social media, product development and so on... A recognized Jazz critic, Karl is also a mature business guy, a patient teacher and a superior team player. I’d hire him again in a minute.” John Steinert, Chief Marketing Officer at TechTarget
“Your writing sparkles. Love reading all your reviews.” Kabir Sehgal (New York Times & Wall Street Journal Contributor; Music Producer)
“Love your interview. Not only was it fascinating to learn about Ortiz's background, but your questions also show why you're such a strong…researcher.” Dan Kohn, Vice President, BuildSourced
“We’ve had a fair amount of reviews written on our music and this may be closest anyone has come to capturing the essence of my artistic intent.” David Peck, Record Label Founder
“He is one of those rare types that is genuinely passionate about what he does, and on top of that he is knowledgeable and helpful.” Camilla Cho, Executive Director of Business Development & Strategy at New York Magazine
Karl has published A Sociological Approach to Segmenting the U.S. Latino Consumer Market http://papers.ssrn.com/sol3/papers.cfm?abstract_id=581722
Authored 5 of the top 15 Most Read articles in 2016 and was ranked the 2015 #1 Most Read Jazz Critic for the global publication All About Jazz. His writing has been translated for publications in China, Iran, Russia, Cuba and countries throughout Europe and South America
Karl has certifications in Foundations for Best Practices in Demand Generation (SiriusDecisions, 2013) and Jazz Insights (Georgia State University, 2013)