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about the founder

hi, i'm caleb.

caleb kim smiling on a boat railing, a turquoise alpine lake and mountains behind him
caleb kim — founder

my mom used to smack my back every time i slouched. i thought, let me be, mom. omg. stop hitting me. ow!
was it annoying? extremely. was it useful? …also yes.

then college arrived, and it hit me: her caring back smacks wouldn't be there anymore. and many people never even had anyone to get smacked by. so i created the caring friend who reminds you to fix your posture — the turtle.

the first version of the turtle was mean. i thought mean was funny — maybe even viral. but this world already has too much negativity, so i rebuilt every single line from hate into companionship.

here's the truth: turtleneck is a reminder app.
it won't stretch your back for you — if a reminder is met with no effort, this app won't help. the reminder is half the work. you're the other half.

and yes — i still slouch sometimes. occasionally in pictures my back is a question mark. but i'm improving every day, and the small wins are what matter. if you ever disliked negativity, nagging, and how your posture looked, turtleneck is for you.

i'm a freshman at emory, double-majoring in neuroscience and finance. turtleneck is the first thing i've shipped. it won't be the last. join my journey on instagram — @calebyulkim — or say hi anytime: caleb@getturtleneck.app.

let's change the world together.

install now 🐢