For most business leaders, a major concern is the emergence of disruptive digital challengers to established business models. With the accelerated speed at which technology is developing, staying current and up-to-date is a challenge. For these reasons, we’ve pulled together this list of online influencers who are actively engaged in writing about and sharing relevant information about digital transformation across a variety of industries.

Tim O’Reilly | oreilly.com/ideas | @timoreilly

Tim O’Reilly is the founder, CEO, and Chairman of O’Reilly Media, and a partner at early stage venture firm O’Reilly AlphaTech Ventures (OATV). O’Reilly is a thought leader with a history of driving conversations that have reshaped the computer industry around topics such as open source software, web 2.0, government as a platform and “the WTF economy.”

Ray Wang | blog.softwareinsider.org | @rwang0

Ray Wang is the Founder and Chairman of Constellation Research, Inc. He’s the author of Disrupting Digital Business, published by Harvard Business Review Press, and the popular business strategy and technology blog, A Software Insider’s Point of View. He has held executive roles in product, marketing, strategy, and consulting at a variety of companies.

Kirk D Borne | linkedin.com/in/kirkdborne | @KirkDBorne

Kirk Borne is Principal Data Scientist within Booz Allen Hamilton’s Strategic Innovation Group (SIG). In this role, Borne is responsible for advancing data science techniques and delivering cutting-edge capabilities to the firm’s clients across disciplines. He’s a top influencer on topics such as big data, machine learning and IoT.

Dion Hinchcliffe | dionhinchcliffe.com | @dhinchcliffe

Recognized business strategist and transformation consultant, Dion Hinchcliffe is widely regarded as an influential figure in social business, digital strategy, and enterprise IT. Hinchcliffe is currently Chief Strategy Officer at 7Summits and is an industry expert on the topics of digital transformation, social collaboration and next-generation enterprises. He is co-author of Web 2.0 Architectures (O’Reilly), as well as Social Business by Design (John Wiley & Sons, 2012).

Ronald Van Loon | linkedin.com | @Ronald_vanLoon

Ronald Van Loon is Director of Adversitement, a digital consulting firm specializing in Big Data implementations for leading businesses. He is a recognized thought leader and innovator in the field of digital transformation. He maintains an active blog and Twitter presence and is the owner of a Big Data discussion group on LinkedIn with approximately 7,000 members.

Doug Laney | blogs.gartner.com/doug-laney | @Doug_Laney

Doug Laney is a research analyst with Gartner. He advises clients on data and analytics strategy, information innovation, and infonomics (measuring, managing and monetizing information as an actual corporate asset).

Tamara McCleary | tamaramccleary.com | @TamaraMcCleary

Tamara is an internationally-recognized expert on branding, influence, and social business, and the Founder and CEO of Thulium, a brand amplification company. As a keynote speaker, Tamara presents on topics at the intersection of marketing and technology; MarTech, Influencer Marketing in B2B & Enterprise, Social Media Account-Based Marketing, Marketing to Women in the B2C Retail Space, Generational Marketing, Marketing to Millennials, Gender Marketing, Personal Brand, Social Influence & Thought Leadership, Employee Advocacy & Engagement, Women’s Leadership.

Don Tapscott | dontapscott.com | @dtapscott

Don Tapscott has been at the forefront of the digital economy for over three decades. He’s the author of 15 books, including Paradigm Shift, The Digital Economy, Wikinomics: How Mass Collaboration Changes Everything and, most recently, co-authored with his son Alexander, Blockchain Revolution: How the Technology Underlying Bitcoin is Changing Business, Money and the World. Whatever is happening in technology and digital transformation, you can be sure that Tapscott will be talking about it before most others.

Daniel Newman | danielnewmanspeaks.com | @danielnewmanUV

Daniel Newman is an entrepreneur, keynote speaker, contributor to many popular media outlets, and adjunct professor. He has is the author of 5 Amazon Best Selling Books, including: Building Dragons: Digital Transformation in the Experience Economy, The Ultimate Field Guide to Digital Program Management, Evolve: Marketing as we know it is Doomed, The Millennial CEO, and The New Rules of Customer Engagement.

Charlene Li | charleneli.com | @charleneli

Charlene Li is a Principal Analyst at Altimeter and has published three major books including the New York Times bestseller, Open Leadership. Her newest book, The Engaged Leader, was published in March 2015. She is one of the foremost experts on business strategy and disruptive technology, and a sought-after speaker and advisor to many top global companies.

Shelley Kramer | v3b.com | @ShellyKramer

Shelly Kramer, co-founder of V3*Broadsuite, has over 20 years of experience in marketing veteran. As a brand strategist delivering integrated marketing solutions in both the B2B and B2C space, she helps businesses leverage the web for growth and profitability. She’s an expert at multi-channel marketing, content strategy and execution, and connecting social media to business initiatives.

Michael Krigsman | cxotalk.com/episodes | @mkrigsman

Michael Krigsman is an internationally-recognized industry analyst and host of CXOTALK. He has written over 1,000 articles on topics related to innovation as a columnist for ZDNet, particularly around digital transformation and leadership. His work is frequently referenced in major newspapers, television, radio, trade publications, presentations, academic dissertations, blogs, and other media. Michael has been quoted in roughly 50 books, published in the Wall Street Journal, and is syndicated on important technology websites.

Gloria Lombardi | marginalia.online | @LOMBARDI_GLORIA

Gloria Lombardi is an author, journalist, publisher, and founder of MARGINALIA, a magazine about the future of work. She is primarily interested in innovation, internal communications, digital transformation, tech, and publishing.

Oliver Bussmann | bussmannadvisory.com | @obussmann

Oliver Bussmann has over 25 years’ experience as a leader in major global organizations, in a wide range of high-tech and financial services sectors spanning diverse geographies. As founder of Bussmann Advisory, he focuses on consulting, coaching and thought leadership services in the areas of digital transformation, innovation and business model re-creation.

Mike Quindazzi | linkedin.com/in/MikeQuindazzi | @MikeQuindazzi

Mike Quindazzi serves as Business Development Leader and Management Consultant at PwC. At PwC, he leads global companies on strategy and transformational initiatives. Specifically, he finds and builds competitive advantages via global expansion, accelerating digital tech (DX), improving customer experience (CX), transforming organizations, and implementing complex systems (HR/ERP).