*NOTE* Before e-mailing, please refer to the FAQ.
Henrik, the project founder, can be reached on [email protected].
The PPSSPP Discord is the easiest way to get in touch with other people in the community, and is also useful for quick bug reports and similar.
Henrik's own company is Millionth Line AB.
He used to work at until fairly recently.
Before that he worked at NVIDIA, and previously Soundtrack Your Brand, and a long time before that Google Zürich.