Profiles of business leaders
Biographies of notable people — their path, achievements and key facts.
Alan Donegan
Entrepreneur and education thought leader and founder of PopUp Business School.
Brandon Donnelly
Brandon Donnelly is an innovator in technologies like AI, ML, AR, VR, and digital transformation, and the founder of Intellect Horizon, a free digital conference focused on the transformative capabilities of AI, XR, and Web 3.0 technologies.
Leonard Dorlöchter
Co-Founder and Chief Product Officer of peaq
Jack Dorsey
Chief Executive Officer of Square
Annalise Dragic
At age 29, Annalise Dragic was appointed Partner at Sapphire Ventures, making her Europe’s youngest VC Partner. She is involved in Sapphire’s investments in Adversity, Contentful, Currencycloud, GitGuardian, Matillion, Unmind, and Yapily, and worked on the firm’s investment in Cazoo (NYSE: CZOO) and Wandera (acquired by Jamf).
Jesse Draper
Jesse Draper is an investor, Kauffman Fellow, board member, gender equality advocate and a founding partner of Halogen Ventures.
Timothy Draper
Timothy Draper is an American venture capital investor, and Founder of Draper Fisher Jurvetson (DFJ), Draper University, Draper Venture Network, Draper Associates and Draper Goren Holm.
Johannes Drooghaag
Johannes Drooghaag is a renowned and accomplished business consultant, speaker, trainer, coach, author, and CEO of Spearhead Management.
Harry Dry
Harry Dry is a British marketing specialist and entrepreneur based in London. He is the founder of Marketing Examples and Copywriting Examples, platforms that provide visual case studies and practical copywriting advice. He is recognized for distilling complex marketing strategies into simple, actionable lessons for a global audience.
Daniel Duarte
Thought leader, an investor in tech and social impact, a crypto evangelist, and a well-known Bitcoin trader in Brazil.
Joaquin Duato
Joaquin Duato is a prominent business executive and the Chairman and CEO of Johnson & Johnson.
Angelica Lo Duca
Angelica Lo Duca is a researcher at the Institute of Informatics and Telematics of the National Research Council (IIT-CNR) in Italy. She is also an author specialising in Data Science, Data Storytelling, and Web Applications.
Mike Dudas
Founder and former CEO of The Block
Denise Duffield-Thomas
Denise Duffield-Thomas is an Australian money mindset mentor, author, and entrepreneur. She is the founder of Money Bootcamp and has authored several best-selling books, including Lucky Bitch and Chill and Prosper, focused on helping women entrepreneurs overcome financial blocks and achieve business success.
David Duffy
Learn more about David Duffy on citiesabc
Kwamina Duker
K Duker is the CEO of the Development Bank of Ghana, with extensive experience in finance and investments, particularly Treasury and FX trading.
John Lee Dumas
John Lee Dumas is an American entrepreneur and podcaster, best known as the founder and host of the award-winning daily business podcast Entrepreneurs on Fire. A former U.S. Army officer and Iraq War veteran, he pioneered the daily interview format, featuring over 4,000 conversations with prominent industry leaders.
Tori Dunlap
Tori Dunlap is an American financial educator, entrepreneur, and author who founded Her First $100K to combat financial inequality. She is a New York Times bestselling author and host of the Financial Feminist podcast, focusing on wealth-building and economic empowerment for women.
Brennan Dunn
Brennan Dunn is an American entrepreneur, author, and marketing automation expert. He is the co-founder of RightMessage and founder of Double Your Freelancing, specializing in website personalization and email marketing systems for creators and freelancers.
Maureen Dunne
Dr Maureen Dunne is a neurodiversity expert, cognitive scientist, board director, public speaker, and neurodivergent corporate leader who promotes dynamic settings.