Delphi lets you get advice from the world's greatest experts in their own words. Pick a topic and ask the people who know it, by text or voice. It's free.
Co-founder and longtime CEO of HubSpot; now builds Sequoia's CEO practice
Why themKnows the move from startup founder to scale-up CEO first-hand.
What are the best practices for a startup founder to evolve into a scale-up CEO?Founder of The Network School and author of The Network State
Why themOriginal thinking on crypto, governance, and new kinds of communities.
How do I actually start a network state today without buying land first?Founder of CB Insights, now co-founder of Forge Prep, a 6th to 12th grade school
Why themLeft a data company to rethink school and can explain why.
What's wrong with education today?Founder and CEO of Acquire.com
Why themClear on when and how to sell a startup.
What’s your proven strategy for getting acquired by the right buyer?Founder of Augusta Lawn Care, Homeworks, and Mike Andes Media Group
Why themPractical for service business owners trying to get past $1M.
I feel lost in my business. I need help?Co-founder and managing partner of Lux Capital
Why themA contrarian view on deep tech and what makes founders stand out.
What are some key indicators that suggest a deep tech startup is poised for success?Entrepreneur and founder of Gameto; part-time professor at Columbia Business School
Why themHas started companies across very different industries over 30 years.
How do you decide which startups or founders to invest in?Founder of the COO Alliance and former COO of 1-800-GOT-JUNK?
Why themKnows how to build the second-in-command role and scale operations.
What are three things I can do to double my company's revenue?Founder of Forte Labs and author of Building a Second Brain
Why themPractical on organizing notes and digital information.
What is Forte Labs?Co-founder of Ship 30 for 30 and Premium Ghostwriting Academy
Why themGood for anyone starting to write online or building a writing business.
How do I know what to write about?Founder of SYSTEMology and systemHUB
Why themHelps owners document processes so the business runs without them.
What is systemHUB?Founder of the Cialdini Institute; has spent his career researching persuasion
Why themThe source on the principles of influence and how to use them ethically.
How can I identify my own influence triggers?Author of Hooked and Indistractable and the writer behind NirAndFar
Why themPractical on habit-forming products and managing your own attention.
How do I apply the Hook Model to my product or app?Pulitzer Prize-winning journalist and author of The Power of Habit and Supercommunicators
Why themPractical on habits and hard conversations, backed by research.
There's a hard conversation I keep putting off. How should I start it?Author of seven books on motivation, timing, sales, and regret
Why themTurns behavioral science into plain advice on motivation and timing.
How do I motivate my team without relying on bonuses and pressure?Author of Swim With the Sharks Without Being Eaten Alive; built MackayMitchell Envelope
Why themDecades of plain advice on sales, networking, and leading a team.
I want three new clients without ads. What outreach fits a solo business owner?Leadership researcher and author of Multipliers, Rookie Smarts, and Impact Players
Why themExplains why some leaders bring out the best in people and others shut them down.
What do Multipliers do that Diminishers don't?Co-author of Unleashed and Move Fast and Fix Things; co-host of TED's Fixable podcast
Why themFocused on trust and building teams where people can do their best work.
What makes a team truly empowered?Author of The Making of a Manager; former VP of Product Design at Facebook
Why themClear, practical writing on becoming a manager.
Tell me about your book "The Making of a Manager?Author of Hiring for Attitude, Hundred Percenters, and HARD Goals
Why themResearch-based advice on hiring, goals, and leadership.
What hiring mistake costs companies the most money?Author of The Science of Storytelling, The Status Game, and Selfie
Why themExplains how stories work and how to use them at work.
Why do you say a story is a deal?Chief evangelist of Canva and author of Think Remarkable
Why themGood on evangelism, personal brand, and startup growth.
What’s the single biggest lesson you teach founders about growth?Writer of Lenny's Newsletter and host of Lenny's Podcast
Why themHands-on about product decisions, growth, and PM careers.
How do I get my first 1,000 customers?Geroscientist directing the Institute for Aging Research at Einstein
Why themWorks on the biology of aging rather than single diseases.
How do centenarian genetics inspire new aging interventions in your research?Former Director of AI at Tesla and founding member of OpenAI; building Eureka Labs
Why themExplains neural networks clearly.
What are you building at Eureka Labs?Researcher and science communicator on metabolic health
Why themGood on metabolism, brain health, and cholesterol research.
What nutrition advice do you provide?Neuroscientist at King's College London and founder of Ness Labs
Why themConnects neuroscience with curiosity and how to run your own life experiments.
What are some key insights from your book Tiny Experiments?Behavioral researcher and founder of Science of People
Why themPractical on first impressions, body language, and charisma.
How can I make a great first impression?Infectious disease specialist, epidemiologist, and CBS News medical correspondent
Why themExplains outbreaks and public health in plain terms.
What's the difference between Ebola, hantavirus, and COVID?Helped create and direct the MIT Media Lab; Center Fellow at Stanford HAI
Why themThinks about how data can serve people.
How did a blue-collar childhood shape your path to MIT?Probiotic and microbiome researcher, educator, and naturopathic clinician
Why themDeep on probiotics, gut health, and the microbiome.
What are some key insights from your research on probiotics and the microbiome?Nutrition scientist and Chief Science Officer at Symphony Natural Health
Why themPractical on eating for health in an easy, colorful way.
What inspired your journey into nutrition science and functional medicine?Clinical researcher and physician who developed The Wahls Protocol for multiple sclerosis
Why themFocused on daily steps for people living with MS.
How do I reduce foot drop and trip less?President of Big Bold Health; former Professor of Biochemistry
Why themDecades of research on nutrition, inflammation, and metabolic health.
How can I use specific functional medicine approaches to manage stress and improve resilience?Professor at Harvard Business School and co-chair of HBS Foundry
Why themNames the failure patterns that threaten startups.
Why do startups fail even when founders are smart and ideas are good?General Partner at Flybridge Capital and professor at Harvard Business School
Why themGives feedback from both the classroom and the investor side.
What do you look for in a founder at the earliest stage?Teaches entrepreneurship at HBS, where he developed the Founder's Journey course
Why themClear on unit economics and the jump from 0 to 1 to 10.
What is unit economics and how should it be applied?Professor at Harvard Business School focused on entrepreneurial finance and innovation
Why themBrings research on how investors shape young companies.
Does going public help or hurt a company's ability to innovate?Social psychologist at Harvard who has researched mindfulness for over 45 years
Why themChallenges common assumptions about health, aging, and happiness.
What’s one simple way to cultivate mindfulness today by noticing novelty in your everyday experiences?Professor of Psychology at NYU who studies how people communicate at work
Why themResearch-based advice on difficult coworkers and job decisions.
What first drew you to studying how people read each other?Social psychologist and Chair of Organizational Behavior at Cornell ILR
Why themExplains why asking, saying no, and speaking up feel so hard.
Why is it so hard to say no?Behavioral scientist and professor at Harvard Business School
Why themTeaches conversation as a skill anyone can learn.
How can I use the TALK framework in a tough 1:1 at work?Economist at George Mason University and chair of the Mercatus Center
Why themWide-ranging on talent, culture, and the future of work.
How do you think about spotting talent?Professor of economics and public affairs at Princeton
Why themUses tax data to show who owns American business.
What does tax data say about who owns private businesses?Associate Professor of AI & Work at Oxford's Internet Institute
Why themPuts AI and jobs in historical context.
What do robots get wrong about factory work?Assistant professor of economics at the University of Virginia
Why themResearch on how being in person shapes mentorship and careers.
How does physical proximity shape mentorship and feedback?Golden State Warriors guard, 2022 NBA champion
Why themWon a title in his rookie season with the Warriors and runs the Motivate One Foundation for young people in Little Rock.
What was it like winning a championship in your rookie season with the Warriors?Former MLB pitcher, founder of the National Pitching Association
Why themPitched in the majors, then spent decades coaching pitchers on velocity and arm health. Founded the National Pitching Association.
What is the safest way to increase throwing velocity?Extreme athlete, creator of the Wim Hof Method
Why themCreated the Wim Hof Method and holds dozens of world records for cold exposure, including marathons run in sub-zero conditions.
Can beginners safely start cold exposure, and what gradual steps do you recommend?Former WNBA player and Stanford All-American
Why themPlayed in the WNBA and for USA Basketball after winning multiple Pac-12 titles at Stanford.
How do you help athletes bounce back from mistakes?Former pro soccer player who helps players get recruited to college
Why themPlayed professionally for the Richmond Kickers and Charlotte Independence, and now helps high school players get recruited to college.
How can I make a recruiting highlight reel that catches college coaches?Paralympic gold medalist in wheelchair basketball
Why themWent from two feet to two wheels and won Paralympic gold in wheelchair basketball at Rio 2016.
How did wheelchair basketball change your life?NFL Pro Bowl long snapper and magician
Why themPro Bowl long snapper for the Philadelphia Eagles who also performs magic on the big stage.
What did magic teach you about staying calm under pressure?Professional ultrarunner, Craft Elite Run Team
Why themUltrarunner on the Craft Sportswear Elite Run Team who hiked the Appalachian Trail.
What does a week of ultrarun training look like for you?Former NFL player
Why themRaised by a single mother in Columbus, Ohio, he made the NFL despite dyslexia, a stutter, and teachers who said he wasn't college material.
What helped you push through dyslexia and a stutter?Pro skateboarder, 29 years on a board
Why themDenver street skater, globally ranked on theboardr.com, with 29 years on a board.
How did you get sponsored?Professional cyclist and former NCAA tennis player
Why themRaised on a California ranch, she went from triathlon and NCAA tennis to professional cycling.
How did you go from tennis to professional cycling?Hapoel Tel Aviv guard, formerly Milwaukee Bucks
Why themPlays for Hapoel Tel Aviv after time with the Milwaukee Bucks, and shares his drills on YouTube.
How do you keep a team-first mindset across leagues?Founder and lead pastor of Elevation Church
Why themFounded and leads Elevation Church, and writes and produces GRAMMY Award-winning music.
How can we cultivate a deeper relationship with the Holy Spirit in our daily lives?Co-founder of Elevation Church
Why themFounded Elevation Church with her husband, Steven, in 2006.
How does God use garden imagery to encourage us in times of uncertainty and transition?Pastor of Redemption Church and author
Why themPastors Redemption Church with her husband, Ron, and wrote The Little Pink Book.
How does the Word of God help us live victoriously?Pastor and writer
Why themPastor and writer who teaches on marriage, faith, and family alongside his wife.
What is the significance of being intentional in showing love and affection to a spouse?Pastor of Friendship Missionary Baptist Church, professor
Why themLeads Friendship Missionary Baptist Church in Vallejo and helps people work through faith, technology, and real life.
Can I trust the Bible in the age of AI?Pastor, professor, and Army officer
Why themBrings biblical scholarship, pastoral leadership, and social justice together, and translates complex theology for everyday life.
How do you make Scripture matter to young people?Associate pastor, agile coach, and podcast host
Why themAssociate pastor and senior agile coach who hosts the Student of Life Podcast.
How can the Bible shape how we lead?Author and speaker on faith at work, president of Marketplace Leaders
Why themPresident of Marketplace Leaders, and a speaker, author, and consultant on faith at work.
How can I know my purpose?Christian author with over 10 million books sold
Why themChristian author whose books have sold more than 10 million copies worldwide.
What do you believe is the most common misconception about the New Covenant among Christians today?Lead communicator of The Playground, creative theologian
Why themLead communicator of The Playground, a digital space for people who love Jesus.
How do I know when God is stretching my capacity?Ordained minister, author, and founder of Liberating Strategies
Why themLeads Liberating Strategies and helped found the Bayard Rustin Liberation Initiative.
How does liberation work show up in your ministry?Ordained minister with over 25 years in pastoral ministry
Why themOrdained minister who directed a School of Ministry in Charlotte.
How do you help people hear identity in Christ?High performance business coach and host of The School of Greatness podcast
Why themGood for questions about finding your strengths and pushing past fear and self-doubt.
How do I discover my unique strengths and use them to create impact?Love life coach, host of the Love Life podcast, and author of the book of the same name
Why themPractical on everything from a confusing text to whether to stay in a relationship.
When's the right time to bring up relationship intentions without scaring someone off?High performance coach and personal development trainer
Why themFocused on the habits and mindset behind performing at a higher level.
How does having a growth mindset impact one's ability to handle challenges and achieve success?Executive coach for operators, chiefs of staff, and execs; first Chief of Staff and COO to Matt Mochary
Why themUseful when you need clear priorities and buy-in without formal authority.
What is the best way for me to prioritize my responsibilities as an operator?Executive coach for startup founders, CEOs, and leadership teams
Why themSpecific on growing from founder into the CEO a scaling company needs.
How do I know if I'm really cut out to lead this company?CEO coach who advised Fortune 50 CEOs at McKinsey and helped build Skype
Why themGood for founders who have become the bottleneck in their own company.
How do I grow my company faster without burning myself or my team out?Coach to CEOs and founders in Silicon Valley for 25+ years, including at Apple, Nike, and eBay
Why themHelps with the hard conversations leaders keep putting off.
How do I start a conversation I keep avoiding?Executive coach and CEO advisor to senior teams at Microsoft, L'Oréal, Oracle, and KPMG
Why themFocused on the blind spots and patterns that hold leaders and teams back.
What’s the best way to address consistent performance problems without demotivating the employee?Career, executive, and leadership coach focused on women in business
Why themPractical on feedback, delegation, and building influence at work.
How do I build trust and influence in my team or organization?Executive coach to tech leaders; former Chief of Staff for Google Search Ads
Why themGood for leaders who are burning out while more work keeps coming.
How do you guide leaders to see the real choices they have?Mindset coach and founder of MOMSET, coaching mothers through overwhelm and reactivity
Why themDirect help for parents dealing with anger and overwhelm.
I lost my temper with my kids today. How do I repair it?Relationship coach for men in late-stage marriage crisis
Why themSpecific advice for men whose wife has asked for a divorce.
What do you help men do when facing divorce?CEO of SaaStr; co-founded EchoSign and scaled it through its acquisition by Adobe
Why themDirect on B2B sales, fundraising, and scaling to $100M ARR.
How do I hire a Great VP of Sales?CEO of Automattic and co-founder of WordPress
Why themA rare view on running a large remote company built around open source.
What kinds of products fit around open source without compromising it?Co-founder and CEO of Cerebras Systems, which builds wafer-scale chips
Why themCan speak to building hardware and competing in the chip market.
What does producing the biggest computing chip actually do for users?Founder and CEO of Jim's Group, grown from a lawn-mowing side job
Why themBuilt a franchise network from scratch and has unusual views on fees and family.
How do you balance your responsibilities as a CEO with your personal life?Founder and CEO of Mindvalley, a personal transformation education company
Why themGood for big questions about purpose and the rules people live by.
What are “Brules” (bullshit rules) and why are they holding me back from my potential?CEO of Arrowhead Engineered Products and founder of The 80/20 Institute
Why themConcrete on accountability, margins, and moving from founder to chief executive.
We have the vision, my team isn't executing fast enough. How do I drive accountability?CEO and founder of Workera; adjunct lecturer in AI at Stanford
Why themWorks on measuring skills, useful for anyone thinking about learning and hiring.
What is Workera?Founder and CEO of MarketBeat, a financial media company
Why themHands-on about email lists, online business, and angel investing.
How do I build and grow my email list?Co-founder and CEO of FastWave Medical; host of the Medsider podcast
Why themHas done both bootstrapping and venture-backed medtech.
How should I position my startup to potential strategic acquirers?CEO and founder of GiftCard Partners
Why themSpecific expertise in B2B gift card programs and incentives.
What are the biggest mistakes companies make with gift card incentive programs?CEO and co-founder of The Real Estate InvestHER, a community for women investors
Why themPractical on evaluating deals and fitting a strategy to your stage of life.
What's the next best move for my portfolio right now?Chairman and CEO of Brian Tracy International
Why themClassic advice on goals, confidence, and public speaking.
How can I leverage the power of visualization to accelerate the achievement of my goals?Global AI advisor and former Head of Go-to-Market at OpenAI
Why themA hopeful but grounded view of technology and work.
What worries you most about AI?Futurist and founder of OneShared.World
Why themThinks across AI, genetics, and biotech.
What can we do to increase the chances that the AI revolution will serve humanity?Keynote speaker and founder of the University of Attitude
Why themFocused on attitude and energy under pressure.
How can I maintain a positive attitude when facing challenges?Inspirational speaker and founder of Entrepreneurs Rocket Fuel
Why themPractical on stage presence and getting booked.
Can you share tips on improving stage presence and audience engagement?Anishinaabekwe speaker, traditional knowledge keeper, and author from Seine River First Nation
Why themGuidance on inclusion and reconciliation from lived experience.
What practical steps can leaders take to create truly inclusive workplaces?Google's first Chief Innovation Evangelist; taught at Stanford for 10+ years
Why themHelps people act on the future instead of waiting for it.
The world feels more uncertain than ever. How do I stay optimistic without being naive?CEO of the American Negotiation Institute and host of Negotiate Anything
Why themPractical on negotiating salary and handling difficult people.
How do I communicate/negotiate with difficult personalities (narcissists and bullies)?Founder of Boss In Heels; former Chief Revenue Officer of Beasley Broadcasting
Why themGood for getting booked as a speaker and promoting a book.
How do you prepare for a speech while trying to keep your delivery from sounding canned or rehearsed?Author, success coach, and CEO of The Canfield Training Group
Why themDecades of teaching personal development and peak performance.
How do you approach teaching personal development and peak performance strategies?Founder and CEO of Suzy; keynote speaker on AI
Why themBuilds AI himself and speaks about what it means for business.
What is Matt's book Generation AI about?Speaker, author, and founder of Right Now Leadership
Why themFocused on limiting beliefs and leading with purpose.
How do I overcome the feeling that I am not enough?