When they were young: 40 Under 40 childhood photos by Fortune Editors @FortuneMagazine September 25, 2015, 10:29 AM EDT E-mail Tweet Facebook Linkedin Share icons The members of our new 40 Under 40 list are young—they range in age from 25 up to 39. We asked them all to send us a photograph from when they were really young—and most obliged. Take a walk down memory lane and check them out when they were kids. Adam Neumann, WeWork See the profile for Adam Neumann, No. 1 on the 40 Under 40. JB Straubel, Tesla Courtesy of JB Straubel See the profile for J.B. Straubel, No. 2 on the 40 Under 40. Ryan Graves, Uber Courtesy of Ryan Graves See the profile for Ryan Graves, No. 3 on the 40 Under 40. Logan Green, Lyft Courtesy of Logan Green See the profile for Logan Green, No. 3 on the 40 Under 40. John Zimmer, Lyft Courtesy of John Zimmer See the profile for John Zimmer, No. 3 on the 40 Under 40. Dhivya Suryadevara, GM Asset Management, GM Courtesy of Dhivya Suryadevara See the profile for Dhivya Suryadevara, No. 4 on the 40 Under 40. James Park, Fitbit Courtesy of James Park See the profile for James Park, No. 5 on the 40 Under 40. Taylor Swift Courtesy of TAS Rights Management See the profile for Taylor Swift, No. 6 on the 40 Under 40. Vas Narasimhan, Novartis Pharmaceuticals Courtesy of Vas Narasimhan See the profile forVas Narasimhan, No. 7 on the 40 Under 40. Jason Robins, DraftKings Courtesy of Jason Robins See the profile for Jason Robins, No. 8 on the 40 Under 40. Jason Buechel, Whole Foods Courtesy of Jason Buechel See the profile for Jason Buechel, No. 11 on the 40 Under 40. Robby Mook, Hillary for America Courtesy of Robby Mook See the profile for Robby Mook, No. 12 on the 40 Under 40. Noah Wintroub, J.P. Morgan Chase Courtesy of Noah Wintroub See the profile for Noah Wintroub, No. 13 on the 40 Under 40. Hugo Barra, Xiaomi Courtesy of Hugo Barra See the profile for Hugo Barra, No. 14 on the 40 Under 40. Jessica Alba, The Honest Company Courtesy of Jessica Alba/Instagram See the profile for Jessica Alba, No. 15 on the 40 Under 40. Karen Fang, Bank of America Courtesy of Karen Fang See the profile for Karen Fang, No. 17 on the 40 Under 40. Anand Swaminathan, Accenture Digital Courtesy of Anand Swaminathan See the profile forAnand Swaminathan, No. 18 on the 40 Under 40. Lisa Falzone, Revel Systems Courtesy of Lisa Falzone See the profile for Lisa Falzone, No. 19 on the 40 Under 40. Parker Conrad, Zenefits Courtesy of Parker Conrad See the profile for Parker Conrad, No. 20 on the 40 Under 40. Will Ackerly, Virtru Courtesy of WIll Ackerly See the profile for Will Ackerly, No. 21 on the 40 Under 40. Orion Hindawi, Tanium Courtesy of Orion Hindawi See the profile for Orion Hindawi, No. 21 on the 40 Under 40. Jared Kushner, Kushner Companies Courtesy of Jared Kushner See the profile for Jared Kushner, No. 25 on the 40 Under 40. Melanie Whelan, SoulCycle Courtesy of Melanie Whelan See the profile for Melanie Whelan, No. 26 on the 40 Under 40. Kayvon Beykpour, Periscope Courtesy of Kayvon Beykpour See the profile for Kayvon Beykpour, No. 27 on the 40 Under 40. Michelle Dipp, OvaScience Courtesy of Michelle Dipp See the profile for Michelle Dipp, No. 28 on the 40 Under 40. Stacy Brown-Philpot, TaskRabbit Courtesy of Stacy Brown-Philpot See the profile for Stacy Brown-Philpot, No. 29 on the 40 Under 40. Sam Altman, Y Combinator Courtesy of Sam Altman See the profile for Sam Altman, No. 30 on the 40 Under 40. Chris Wanstrath, GitHub Courtesy of Chris Wanstrath See the profile for Chris Wanstrath, No. 31 on the 40 Under 40. Debbie Sterling, GoldieBlox Courtesy of Debbie Sterling See the profile for Debbie Sterling, No. 32 on the 40 Under 40. Brian Sheth, Vista Equity Partners Courtesy of Brian Sheth See the profile for Brian Sheth, No. 33 on the 40 Under 40. Michael Dubin, Dollar Shave Club Courtesy of Michael Dubin See the profile for Michael Dubin, No. 34 on the 40 Under 40. Andy Katz-Mayfield, Harry’s Courtesy of Andy Katz-Mayfield See the profile for Andy Katz-Mayfield, No. 34 on the 40 Under 40. Jeff Raider, Harry’s Courtesy of Jeff Raider See the profile for Jeff Raider, No. 34 on the 40 Under 40. Josh Goldin, Alliance Consumer Growth Courtesy of Josh Goldin See the profile for Josh Goldin, No. 35 on the 40 Under 40. Julian Steinberg, Alliance Consumer Growth Courtesy of Julian Steinberg See the profile for Julian Steinberg, No. 35 on the 40 Under 40. Trevor Nelson, Alliance Consumer Growth Courtesy of Trevor Nelson See the profile for Trevor Nelson, No. 35 on the 40 Under 40. Julia Hartz, EventBrite Courtesy of Julia Hartz See the profile for Julia Hartz, No. 36 on the 40 Under 40. Ashifi Gogo, Sproxil Courtesy of Ashifi Gogo See the profile for Ashifi Gogo, No. 38 on the 40 Under 40. Reshma Saujani, Women Who Code Courtesy of Reshma Saujani See the profile for Reshma Saujani, No. 39 on the 40 Under 40. Ronda Rousey, UFC Courtesy of AnnMaria DeMars See the profile for Ronda Rousey, No. 40 on the 40 Under 40. To see the full list of the Fortune 40 Under 40, visit fortune.com/40-under-40.