andrew hollenbach
people-oriented engineer. I dabble in ice cream, triathlons, baking, generative art, and accessible cities. he/him
📍 nyc
@alt18f.bsky.social
Delivered effective, efficient, and secure digital services for the American people until we were forced to stop on March 1. Not an official government account. Reposts are not endorsements. Our new website: https://18f.org/ #AltGov
@elizaorlins.bsky.social
Career public defender • Survivor & Amazing Racer • Fueled by rage at injustice • she/her
@sgoodyear.bsky.social
Writer. New Yorker. Co-host, The War on Cars podcast. Our book, Life After Cars: Freeing Ourselves from the Tyranny of the Automobile, is out October 21, 2025. lifeaftercars.com
@transalt.org
We reclaim NYC from cars, transforming our streets into safe, sustainable, & equitable places to walk, bike, take transit, gather, and thrive 🗽 Join us: transalt.org/connect
@charlesincities.bsky.social
Author, Happy City. Founder, Happy Cities. But speaking only here for myself! Design + social trust. 🧠🏙️🌈🏔️
@climateandtransit.bsky.social
A focus on city planning,transit planning and sustainability! “Train good and car bad!”
@jaypitter.bsky.social
Award-Winning Placemaker (25+ North American Cities). Author. Speaker. Urban Planning Adjunct Professor. Subdivided Co-Editor. Two Book Deal w/ Penguin Random House Canada. Hip Hop & a lil Punk Rock. Hopeful.
@reneedsc.bsky.social
City planner & urban designer. Planning Director with a Metro Vancouver municipality. Mom of 2. Loves soccer, biking, design & cities. Posts are my own.
@toderianuw.bsky.social
TODERIAN UrbanWORKS Inc. (TUW) is a Vancouver-based national and international city planning/design, mobility and "advanced urbanism" consultancy led by @BrentToderian.bsky.social.
@isabellachu.bsky.social
John Snow and safe street stan. Lover of 17th to 19th century cities but with more trees and less cholera. Not official record.
@yonahfreemark.com
Transport / Housing / Land Use / Politics / @urbaninstitute.bsky.social / Le progrès ne vaut que s’il est partagé par tous / yonahfreemark.com / thetransportpolitic.com
@alfredtwu.com
Berkeley Rent Board Commissioner (@alfredtwu.net), California Democratic Party Delegate, East Bay architect & commercial artist. Reblue/follow/like does not equal endorsement. art: http://alfredtwu.com
@mitchellsilver.bsky.social
Urban planner, speaker, placemaker and professor of practice. Former NYC Parks Commissioner, Raleigh Chief Planning Officer and AICP & APA President. Passionate about people, the planet, planning, parks & public space.
@humantransit.bsky.social
Public transit planning consultant and commentator. Author of the book “Human Transit” and the blog HumanTransit.org. The consulting firm is jarrettwalker.com. Also obsessed with literature and plants.
@gjacq.bsky.social
Principal at BFJ Planning. Sustainable transportation seems to flow in my blood. I am passionate about it and the characteristics of our built environment that maximize opportunities for us to move around on foot, by bicycle or via public transportation.
@mikelydon.bsky.social
Co-Founder @ Street Plans | Co-Author #TacticalUrbanism, Smart Growth Manual, Streets for Pandemic Response + Recovery | Board Member @ Congress for New Urbanism | Creator Open_Streets Project | Léo + Luca’s dad | 📍 Brooklyn, NY 🚲 🚶 🚌 🌆
@jeffspeck.bsky.social
Urban Planner, Partner in Speck Dempsey, author of Walkable City, Walkable City Rules, and other stuff I'd like you to read.
@brenttoderian.bsky.social
Global advisor on better cities, city planning, transportation & urban change. City planner + urbanist leading @ToderianUW.bsky.social. Past Chief Planner for Vancouver BC. Past/founding President of @CanUrbanism.bsky.social. International speaker & media.
@ryanjrichter.com
Transportation/urban planner. Fascinated with cities, geography and the movement of people and goods. Chicagoan. ryanjrichter.com
@petebuttigieg.bsky.social
Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
@tambourine.bsky.social
instagram.com/sick.cinema 🥞 🫖 📚 sick poet / library mole london
@radleybalko.bsky.social
Journalist. Quattrone Center journalism fellow. Author: Rise of the Warrior Cop. Co-author: The Cadaver King and the Country Dentist. Forthcoming book: The Defenders (Spring 2026) Substack: radleybalko.substack.com Signal: radleybalko.52
@tiffaniashleybell.com
Programmer. Transilient. An internet person at The Human Utility paying water bills & freeing people from debt. Nerded out at Howard, Harvard Kennedy School, YC, & Stanford GSB. F1 fan. Spoke at TED. Black-Scholes-Merton FTW In LAX or FAY 🏳️🌈
@worldbollardassoc.bsky.social
The official Bluesky account of the World Bollard Association™️. MERCH STORE - https://worldbollardassociation.team-togs.com/shop/storeorderform.php
@blockpartyapp.com
Deep clean your social media, notifications, settings and more in just one click. The Washington Post’s tech columnist calls Block Party “one of the most useful tech tools I’ve come across in years”. www.blockpartyapp.com
@bespeckled42.bsky.social
@artologica.net
Michele Banks Artist inspired by science Friend to squirrels https://www.etsy.com/shop/artologica/
@kateviolette.com
Multipurpose nerd. Engineering manager currently waylaid by a complex illness. On a mission to watch every Katharine Hepburn movie. 🏳️🌈 they (🇬🇧), elle (🇫🇷) Currently residing in Portland OR. Always a Mainer. Blog at my username!
@sarahkendrew.bsky.social
European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Team Lead for the MIRI instrument on JWST. Runner, dog mum, cyclist. 🇬🇧🇧🇪 Opinions my own.
@jayispainting.earthskyart.ca
Artist in progress. Living on Treaty 6 land. Art, science, space & politics (sorry about that) Dad to Samwise. Storms & stuff. He/him. No AI, No NFT. https://earthskyart.ca #art #painting #sciart #fod #biking
@srhm.ca
PhD student doing cultural analytics and NLP at Cornell / talks @cs50, @ComputerHistory / https://srhm.ca/
@jenny8lee.bsky.social
Entrepreneur, journalist, film produceru. Also co-creator of 🥟🥡🥠. Member of Unicode Emoji Subcommittee. Working on a literary x AI project with @srhm.bsky.social.
@prisonculture.bsky.social
co-founder of various organizations: Interrupting Criminalization; Survived & Punished; Sojourners for Justice Press; For the People Leftist Library Project, etc...
@runolgarun.bsky.social
tv writer (cobra kai), wga west community organizer she/they ✡️ 🧢 IT'S TIME FOR DODGER BASEBALL ⚾
@chrismessina.me
😬 Man of the internet; generalist. 🆕 App updates and snark. 🫡 Twitter sober since April '23. #️⃣ Invented the hashtag.
@eileenguo.bsky.social
Tech features and investigations at @techreview | send me tips (not PR pitches) on Signal: eileenguo.15 | PT - Esp - 中文 https://www.technologyreview.com/author/eileen-guo/ 📍Los Angeles
@danielle.bsky.social
interactive performances & pixel art. i also build a virtual tarot platform moonlight.world 🐍🌛 daniellebaskin.com
@carmatrocity.bsky.social
Sociotechnical Systems Debugger. Cuelang, Xoogler, OSS, DevEx. Go Team + Travis CI Alum. Now at Cisco/Splunk. At the intersection of programming languages, infrastructure, developer experience, tooling, and most important of all: People.
@ibogost.bsky.social
Professor at Washington University in St. Louis, Writer at The Atlantic. https://linktr.ee/ibogost