Grant Challen

Biomedical research team trying to figure out stem cells and blood cancers. Dad, husband, kids soccer coach, rugby enthusiast, everything Star Wars / Marvel.

[Grant Challen @challenlab]

@DrStass Clearly our friend in the photo indicates not

[Grant Challen @challenlab]

@HmzaCelik

[Grant Challen @challenlab]

As you can see, our lab is desperately in need of a new post doc to replace those who have left us. Interested candidates apply here, please repost and spread the word!

https://t.co/kJgalIy46g

[Grant Challen @challenlab]

Reminder to adjust your clocks today. The new crack of dawn is 10:30 AM according to my teenager when I dragged him out of bed yesterday. Please adjust your time accordingly

[Grant Challen @challenlab]

Challen lab circa 2026 +|- a few extras

[Grant Challen @challenlab]

Just great, even my own grapes are taunting me these days …

[Grant Challen @challenlab]

Game time @pedalthecause

#pedalthecause

[Grant Challen @challenlab]

Shoutout to all the Mums out there @LauraChallen

[US Open Tennis @usopen]

For every kid who was told “you can’t.” ❤️

[Grant Challen @challenlab]

@TheElfLab Hard agree

[Grant Challen @challenlab]

@ISEHSociety about to test out the commemorative stein from the 2026 annual meeting

@MilsomMick @TheKingLab @TrowbridgeLab @pietras_eric @Bowmaniacs_Lab

[Grant Challen @challenlab]

Hey everyone - I am riding 100 miles again in the @SitemanCenter @pedalthecause on September 21. Any donation in support of a World Without Cancer is appreciated! Thanks !!!

https://t.co/ohm4EuZtJa

[Grant Challen @challenlab]

When the important time point falls on a weekend it’s all hands on deck @challenlab @washucancerbio

[Grant Challen @challenlab]

GOATs doing GOAT stuff

[Grant Challen @challenlab]

Exciting new developments for @ISEHSociety journal Experimental Hematology. Now a safe place for non-traditional papers that are super important to our field.

e.g. - Standards in Hematology - method papers for best practices and new techniques. Help others avoid basic mistakes!

[ISEH @ISEHSociety]

📢 Experimental Hematology, the official journal of ISEH, has launched new article types and author incentives! View the latest updates and submit your next manuscript: https://t.co/8HI3UmBH6Z

[Grant Challen @challenlab]

Good to see the French embracing American sporting culture and tanking for a better future draft pick

[Grant Challen @challenlab]

Thank you @RoyalCaribbean for a great family vacation. I look forward to returning soon to defend my putt putt championship!

[Grant Challen @challenlab]

When the seminar presenter is 5 minutes over time already and says “just a couple last slides” ….

[vic @CountOnVic]

Me when they finally bring food out but it’s for the other table https://t.co/iJxz62iROB

[Grant Challen @challenlab]

Great reminder for us parents to enjoy the journey …

[Jerry Thornton @jerrythornton]

This is going to stick with me forever

[Grant Challen @challenlab]

The last time is now!

#ThankYouCena

[Grant Challen @challenlab]

Irenaeus Chan representing the @WashUCancerBio program with style in the plenary session of #ASH25 !!