Dan Callahan: Siobhan's choice
Dan Callahan: Catch and Release the Kraken
Dan Callahan: Undersea explorers
Dan Callahan: Bedtime for Spider-Man and his amazing friends
Dan Callahan: Front row on the Swan Boat!
Dan Callahan: @massteacher New Members Committee panel talking with @seaofmass members about the first few years of teaching
Dan Callahan: I remember where I was, the day of the great chocolate bunny massacre of twenty ought seventeen.
Dan Callahan: The @massteacher Special Education workshop is kicking off in Springfield! #edchatma
Dan Callahan: The inside of the ENTIRE CAR looks like this! Eeeeeek! #aliencovenant
Dan Callahan: Broke out the 3 piece and the tie. Presenting is serious business.
Dan Callahan: It's real pretty at sunset
Dan Callahan: Little Zookeepers
Dan Callahan: Kay Hanley is amazing. Letters to Cleo plays an incredibly tight set.
Dan Callahan: @massteacher Members and Leadership hosting lunchtime conversations with new educators #jfnt2016
Dan Callahan: @massteacher New Members Committee kicking off #jfnt2016 with a panel discussion
Dan Callahan: Attorney General Maura Healey addressing the @massteacher and Northwestern DA Safe & Healthy Schools Summit
Dan Callahan: Somebody likes the leaves
Dan Callahan: Fall
Dan Callahan: At least there's still Super Duper Weenie
Dan Callahan: The schedule is built for #Edcamp at Hanover Middle School! #edchatma
Dan Callahan: We have a winner
Dan Callahan: Spinoff Sessions using #edcamp model at #mascdlearns
Dan Callahan: Breaking ALL the rules #mapoli #selfie
Dan Callahan: Please be careful moving these historic chairs #mapoli
Dan Callahan: Wand shop. Salem.
Dan Callahan: The view from my presentation room #masscue16
Dan Callahan: Wow. #hellokitty #car
Dan Callahan: Mountain man on his unicorn
Dan Callahan: "I go on the horse."
Dan Callahan: Wearing their sweet new jackets