Lannie Mancaster

Lannie Mancaster is one of the owners of Tynamed Laboratories. She owns half of the company while Marceline Baccarat owns the other half.

Online Persona
Most of the things you find online about Lannie are directly related to Tynamed Laboratories. Their names are basically synonymous.

She's been on TV a few times and is referenced often in news articles relaying information about the company's disastrous accident.

Other than that she has no social media presence other than a Linkedin and a Twitter. Posts on her twitter are mostly just her living in lavish success.