Who's who of the ecosystem?

Raku is the product of collaboration by many people. Some of these are
well known, but there are many parts of the ecosystem whose mavens are
anonymous or obscure. When a problem arises, it would be nice to be
able to direct them to someone knowledgeable, rather than essentially
yelling them in public and hoping someone responds to the noise.

Do we have any kind of resource, (web page or whatever), indicating
who might be authoritative on a particular issue? Some names are
fairly well-known, (and may wish they weren't), but topics like the
internals of zef are hard to link to a person or group.

• Who's who of the ecosystem? by Parrot Raiser
• Re: Who's who of the ecosystem? by Vadim Belman