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Sean Killeen

@seankilleen.com
1.5K followers 857 following 1.3K posts

A mind at work. 💼 VP, Innovation and Products at SCT Software 🥇 Microsoft #MVP 📣 Organizer of #dotnetdc ✔️ Docs lead / Core Team member of the #NUnit project ♾️ Agility, DevOps, smaller loops 🌎 Kindness, empathy, humanity

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Sean Killeen @seankilleen.com · 21/09/2026
Other airports are just jealous because we're already leading the "people killed by major airline incidents" race in the last two years. Just trying to strengthen that lead.
A popular meme, "is this a butterfly", but the butterfly is airline risk And the caption reads "is this winning?"
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Sean Killeen @seankilleen.com · 20/08/2026
@jeremydmiller.bsky.social I was at the zoo yesterday for a bit and naturally ended up explaining event sourcing to someone I was with. Thanks! 😆
A description sign at a zoo exhibit for the American Marten. The sign has descriptive text about the Marten and a picture of the animal. One of Jeremy's big projects is called Marten.
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Sean Killeen @seankilleen.com · 15/07/2026
Grateful and humbled to be renewed as an MS MVP. Will do my best to live up to the obligation this year! #mvpbuzz
A screenshot of an acceptance email with my renewal as a Microsoft MVP.
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Sean Killeen @seankilleen.com · 28/05/2026
How many want to bet that someone at Freedom250 misspelled celebrate and had to have it corrected
A screenshot from the Freedom250 web site which has July 4th's description starting with "SCelebrate 250 years of American history"
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Sean Killeen @seankilleen.com · 25/03/2026
Big thanks to Leslie Welch for snapping a pic of my name on the wall! #mvpsummit
A photo of a list of Microsoft MVP names, each separated by a center-aligned dot, affectionately called the "MVP wall". In the center of the photo is the name "Sean Killeen"
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Sean Killeen @seankilleen.com · 24/02/2026
The Bilbo Baggins meme from the Hobbit or lord of the rings (I forget which, I'm sleepy) where he struggles with the ring. But instead, reads "why shouldn't I? Why shouldn't I listen to music until sunrise?"
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Sean Killeen @seankilleen.com · 09/02/2026
his year, my donation of $290 (+fees) goes to Casa Myrna: casamyrna.org I hope you'll consider joining me and donating to this organization or another like it.
A screenshot of a donation receipt to Casa Myrna for $307.40 ($290 + processing fees)
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Sean Killeen @seankilleen.com · 09/02/2026
This year, my donation of $290 (+fees) goes to Casa Myrna: casamyrna.org I hope you'll consider joining me and donating to this organization or another like it.
A screenshot of a donation receipt to Casa Myrna for the amount of $307.40 ($290 + processing fees).
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Sean Killeen @seankilleen.com · 01/02/2026
This is who runs this account
An old-school elementary photoshoot of a toddler-age me. A 3-4 year old white boy in a blue striped polo leans on what appears to be fake grass with a tree backdrop. He has a big goofy smile and an egghead but he seems pretty confident things are going ok.
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Sean Killeen @seankilleen.com · 16/01/2026
Looks to work as I'd expect!
A screenshot of the console where I ran commands. Pasted below are the lines of shell commands:

```
PS D:\Repositories\_SCT\_worktrees\xTrackBtp> grove go main
PS D:\Repositories\_SCT\_worktrees\xTrackBtp\main> grove go XTBTP-1600_ups-creds-error
PS D:\Repositories\_SCT\_worktrees\xTrackBtp\XTBTP-1600_ups-creds-error>
```
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Sean Killeen @seankilleen.com · 16/01/2026
It's alliiiiiveeeeee 🎉🚀
A screenshot of a console showing a successful installation of a preview of Safia's "grove" tool on Windows via her install site. The console shows Sean running "irm https://i.safia.sh/captainsafia/grove/preview | iex", and then shows the text "Detected: windows-amd64" followed by "Release: v1.3.0-preview.4d848d6" followed by "Downloading grove-windows-x64.exe..." followed by "Installed to C:\Users\SeanK\AppData\Local\grove\bin\grove.exe" followed by "grove is ready to use! Run 'grove --help' to get started.". Sean then ran the "grove -- help" command and saw a successful response.
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Sean Killeen @seankilleen.com · 14/01/2026
Screenshot just in case it helps
Screenshot of a web browser showing a GitHub pages 404 error when pointed to https://lwkd.info/2026/20260113
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Sean Killeen @seankilleen.com · 18/09/2025
Suggest using non-descript submissions until the comments, to decrease the likelihood it will be filtered out.
A submission to the form suggested by the original post. The subject is "Transcript Request", the Show is Jimmy Kimmel Live, the Category is "I've got a video or transcript request", and the description reads "I'd like a transcript of the meeting in which ABC management decided to allow ideas to be silenced by fear. I imagine this historical level of cowardice must have come with some good banter."
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Sean Killeen @seankilleen.com · 16/09/2025
Really bringing this energy
A still screenshot from the move American History X, featuring the father character (Dennis) played by William Russ. In the movie, we are brought along a Russ says seemingly innocuous things that then evolve into a deeper and more visceral racism.
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Sean Killeen @seankilleen.com · 31/08/2025
Perfect day for some baseball
A panoramic view of a baseball stadium
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Sean Killeen @seankilleen.com · 06/08/2025
Might as well use my dormant Twitter account to burn some bridges:
A screenshot of my Twitter reply to @ashtom (Thomas Dohmke). I say:

Ooh nice rhyme! I have another:

The evidence does show: if you can't embrace all devs, you shouldn't be GitHub CEO.

I only heard about this tweet because of the near universal condemnation across all of my feeds. You may want to rethink.
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Sean Killeen @seankilleen.com · 10/07/2025
Grateful for another trip around the sun as a Microsoft MVP! 🎉 Thanks to all who are part of this community, and those who organize the program! #microsoftmvp #mvpbuzz
A screenshot of an e-mail from Microsoft. The Microsoft logo can be seen in the top-left corner. A bold heading reads "Congratulations!" Underneath, the text reads "We're pleased to welcome you to another year for the Microsoft Most Valuable Professionals (MVP) program in recognition of your outstanding contributions to the community in the following Technical Area/s: .NET"
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Sean Killeen @seankilleen.com · 27/06/2025
So true -- it is totally breaking!
A new notification from the windows start menu with a news icon. The title is "Breaking news" and the text underneath it reads "Supreme court..." with no additional text.
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Sean Killeen @seankilleen.com · 08/06/2025
On the other side of the spectrum, also picked up peach ghost pepper hot honey. So good. Also, maybe deadly? TBD! Also picked up: a sunburn. Worth it.
A jar of almost molasses colored honey. The jar reads "peach ghost pepper hot honey".
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Sean Killeen @seankilleen.com · 08/06/2025
Went to the Occoquan River Festival today with the family. Had a great time! Also, I discovered *freeze-dried Skittles*?! It's like big Skittles flavor but puffy and crunchy. I'm hooked.
A plastic tub of freeze dried skittles. They have skittle colors but look like they are expanded and have a white layer in the middle.
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Sean Killeen @seankilleen.com · 03/05/2025
My body at 8pm after this week
The cover of the humorous children's book titled "Go the Fuck to Sleep". On the cover there is a family of sleeping tigers cuddles up and a human child in the middle.
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Sean Killeen @seankilleen.com · 13/04/2025
Got my MVP renewal application submitted yesterday like
A man running and sliding under a garage style door that is closing
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Sean Killeen @seankilleen.com · 26/03/2025
A popular meme from the TV show "I think you should leave", where a man in a hot dog costume, looking suspicious, says "we're all trying to find the guy who did this"
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Sean Killeen @seankilleen.com · 19/02/2025
LinkedIn, removing "reading the room" from its list of skills.
A screenshot of LinkedIn, with a heading that says "Sean, what role are you hiring for?" Below it is a text box for "Job title". Below that is a bright blue button that says "Draft job with AI". This is...gross.
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Sean Killeen @seankilleen.com · 14/02/2025
On Valentine's Day, grateful to have a partner who understands my love language
Two text messages from my wife. The first reads "Would you like a grilled cheese?" and the second reads "I made you one. You can grab it whenever".
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Sean Killeen @seankilleen.com · 10/02/2025
$400 to Rose Brooks. Post your receipts for any amount!
A screenshot of a $400 donation to the Rose Brooks organization.
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Sean Killeen @seankilleen.com · 10/02/2025
$400 to Rose Brooks. Post your receipts for any amount!
A screenshot of my $400 donation tithe Rose Brooks organization.
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Sean Killeen @seankilleen.com · 22/01/2025
Can confirm that it appears to accept external emails....
An email I sent to the email address in question. It states "Wanted to ensure I provide the facts. The fact that this email even exists should be a shame that follows anyone involved for the rest of their days."
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Sean Killeen @seankilleen.com · 06/01/2025
@tashasev.bsky.social more snowww
A photo from a third floor window, looking out on a community. The cars in the parking lot, the houses, and the trees are covered with snow.
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Sean Killeen @seankilleen.com · 06/01/2025
@tashasev.bsky.social snowwww!
A picture of a street parking lot, with cars on either side. The street, cars, and trees are covered in snowPicture of an empty parking space covered in snowA shot to the right of the parking lot with a lot of trees, all covered in snow Photo of a happy boy in a blue jacket and snow pants, on a teal sled. He has his right arm up and his left hand is in the snow.
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Sean Killeen @seankilleen.com · 02/01/2025
A bunch of people posting "Earthquake" within a few seconds of each other.
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Sean Killeen @seankilleen.com · 14/12/2024
Our 4yo wrote this, unprompted. The kids get it. Adults, get your shit together.
A hand-drawn picture, with capital letters. "PEACE TO THE WORLD", with a backwards R. Drawn in orange marker, in a semi-circle, with lines coming out beyond the text, as if they are rays of the sun.
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Sean Killeen @seankilleen.com · 02/12/2024
Me: Hey, brain, it's been an interesting few days but there's a big week coming up and you should probably get some sleep. Brain:
A clip of the band Rage against the machine performing, with a singer singing "Fuck you, I won't do what you tell me!"
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Sean Killeen @seankilleen.com · 24/11/2024
Here's the finished product all together. 10 hours of baking yesterday, and two griddles so could make 18 at a time :)
A pile of Welsh cookies, 697, in bins.
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Sean Killeen @seankilleen.com · 24/11/2024
Here's from the front & side
A Welsh cookieThe side of a Welsh cookie
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Sean Killeen @seankilleen.com · 24/11/2024
Here we are! Goes well with morning coffee :) I didn't respond last night because I got 5 hours of sleep the night before so I was in bed at 9:30 😅
Holding a Welsh cookie in my hand.
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Sean Killeen @seankilleen.com · 24/11/2024
They're already packaged up because I had to do it now or never 😅
697 Welsh cookies. On a kitchen table, there are 3 large Tupperware bins, arranged in a pyramid. In front of the bins are 6 Ziploc gallon bags. On top of the two bottom bins are two gallon ziploc bags. And on top of the top bin are also two gallon Ziploc bags.
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Sean Killeen @seankilleen.com · 23/11/2024
My favorite holiday tradition has arrived -- Welsh cookie baking time is here! This is steeped in tradition and wonderful memories for me so I've been looking forward to it for a while. :)
A counter stocked with 3  containers of nutmeg, 15 lbs flour, 8 lbs margarine, 10 bags of currants, a half gallon of milk, 8lbs sugar, 36 eggs, a tin of baking powder, a cheese cloth mat and a rolling pin with a cheese cloth on it.
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Sean Killeen @seankilleen.com · 20/11/2024
A common meme, "guy tapping head", features a man tapping his temple which purports to have a good idea but it often used ironically for memes. Over the top in white text I've placed "cold air can't get in" up top and "if air can't get in" on the bottom.
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Sean Killeen @seankilleen.com · 14/11/2024
Annnnd cue me going from thinking about how to move my team into a Postman subscription to thinking about how to move away from it entirely:
A dialog box from the Postman API execution tool. Instead of executing my request, an orange dialog box pauses for 30 seconds (the screenshot shows a count of 16 seconds). A dialog box is displayed that says "You've hit the collection runs limit on your plan. you can use more runs once the timer ends. Don't want to wait to run your tests? Get Unlimited Runs With Add-on". That last portion of text is an orange button to a paid upgrade.
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Sean Killeen @seankilleen.com · 03/11/2024
It would appear I picked a bad trip to forget my jacket.
A screenshot of a weather app reading that the temperature feels like 34 degrees Fahrenheit.
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Sean Killeen @seankilleen.com · 03/08/2024
Excellent timeline timing
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Sean Killeen @seankilleen.com · 22/07/2024
How can I quickly get stickers to place over those? Suggested content:
Scene from the movie "There will be blood" in which the character, Daniel Plainview, causes a scene in a restaurant, saying to someone "you look like a fool, don't you?"
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Sean Killeen @seankilleen.com · 26/12/2023
Also this apple pie cheesecake that rocked our world. She really brought the magic this year! #WellFedSonInLaw
An apple pie cheesecake. The top looks like apple pie, hiding the fact that underneath there is an ridiculously tasty cheesecake.
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Sean Killeen @seankilleen.com · 25/12/2023
2023 is the year my mother in law made the platonic ideal of beef wellington. I don't know that I've ever had a more flavorful beef.
A view of the inside of a perfect beef wellington, showing medium-rare steak and a perfectly sturdy crust. In between is a layer of mushrooms and prosciutto.The crust of a perfectly done beef Wellington including extra pattern on the crust.
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Sean Killeen @seankilleen.com · 14/07/2023
Went to see a movie in IMAX yesterday and saw an old friend
A photo of an IMAX movie screen. On the screen, rather than content, is an old "Active Desktop Recovery" error message common about 10+ years ago.
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Sean Killeen @seankilleen.com · 04/07/2023
Oh nice! Stock #android can now pause alarms.
A screenshot of the Android mobile operating system's alarm app. The screenshot shows a recurring alarm for 6am every weekday. There is now an option showing the alarm is paused for July 4th,  and a banner showing that it will resume on Wednesday.
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Sean Killeen @seankilleen.com · 01/07/2023
Original Duke Nukem (though also Loved Lemmings!)
A still frame from the original Duke Nukem game in the 90s. The Duke Nukem character is standing on a box aiming a weapon at an alien lifeform. The graphics are old and pixelated.
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