Everyone started somewhere and this page shows where current committers started. This is a listing of the earliest PRs or mailing lists people sent and a few people that helped them early on.

ID First bug report, pull request or mail list post Acknowledgements
acm https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=87545 jylefort (1st PR), garga (mentor)
ade https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=85818 asami, steve
amdmi3 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=87483 pav (1st PR), ehaupt, miwi (mentor)
andrew https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=41718
arved https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=30960 petef (1st PR), will (1st IRC contact), kris (mentor)
ashish https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=102446 alepulver (1st PR), miwi (1st IRC contact), pgj (mentor), tabthorpe (mentor), keramidas (ex-emacs port maintainer)
bapt https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=86401 jadawin, tabthorpe, cognet, des
brnrd https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=104703 xmj, koobs
bdrewery https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=136082 bapt (mentor), eadler (mentor), tabthorpe, crees, swills
cperciva 45817 – [PATCH Fortune files are needlessly randomized (2015-12-13) rwatson, nectar
crees https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=112277 rene, tabthorpe, miwi, linimon, wxs
cs https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=137377 glarkin (mentor), wen (mentor)
cy https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3985 nectar (mentor)
dbn FreeBSD Port: libpreludedb-0.9.10 (2006-10-24), 116672 – New Port: x11-theme/cursor-crystal-theme KDE crystal style cursor theme (2007-09-26) avilla (KDE), bdrewery (mentor), eadler (mentor), gerald (wine)
dhw scanners and printers (1998-03-20) julian, archie, terry
dinoex https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3306 will (mentor), asami, fenner
eadler https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=127027 sahil, bapt, linimon, tabthorpe, spawk, kurt
farrokhi https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=83013 miwi (mentor), mat (mentor), bapt (mentor), philip
ganbold http://lists.FreeBSD.org/pipermail/freebsd-ipfw/2003-December/000700.html
gavin https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=27471 rwatson, linimon, remko, ed (mentor)
gjb 129699 – [patch Typo in /etc/exports.disabled (2008-12-17) jkois (mentor), keramida (mentor), bcr, linimon, tabthorpe, miwi, blackend, manolis, many many others
gonzo https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=58389 imp, cognet, jmallet
grahamperrin 203271 – Wi-Fi no longer driven on some hardware with 11.0-CURRENT (2015-09-22), Intel GM45 GPU hangs, PC-BSD 11.0-CURRENT, sysctl hw.dri.0.info.i915_error_state (2015-12-13) carlavilla, gjb
issyl0 2011Tasks gavin, theraven, bcr, des, gabor (mentor)
jch https://bugs.FreeBSD.org/172963 jhb, gnn, rw
jhb Good job guys... (1998-01-29) msmith, peter, billf, jkh, ps, dfr, dwhite, grog
jilles https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=40486 ed
jkim Add support for the BCM5703x chips (2002-09-08)
jlh SSH timeout settings (2002-06-21)
jmmv See the Joining the FreeBSD committer ranks story in my blog
jpaetzel https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=28970
jsa https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=126086 beech, wxs, kwm, linimon, tabthorpe, miwi
koobs Bison 1.75 Port Broken (2003-01-09) eadler (Mentor), lwhsu, miwi, sbz, rm (Mentor), crees
kwm https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=47896 marcus, pav (mentor), adamw
lx https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=46982 edwin - mentor and 1st PR
mandree https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=8890 brian - first PR; ijliao - first ports PR; garga, miwi - ports mentors
martymac https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=59252
mat https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=31989 tobez
mmokhi https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204607 brnrd, koobs, feld (mentor), mat (mentor), theraven
neel http://docs.FreeBSD.org/cgi/getmsg.cgi?fetch=99742+0+archive/2002/freebsd-hackers/20020224.freebsd-hackers grehan, imp (mentor)
ngie http://lists.FreeBSD.org/pipermail/freebsd-questions/2006-January/109507.html
nemysis https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=166854 miwi, wxs, wg, pawel (mentors), beech, ak (1st PR), madpilot (viewnior), tabthorpe, decke, swills, eadler, grog, nox, matt, jgh, danfe, rm, gahr, and many others
obrien http://docs.FreeBSD.org/cgi/getmsg.cgi?fetch=869546+0+archive/1995/freebsd-hackers/19950618.freebsd-hackers jkh, asami
pauamma See my user page debdrup most of all, then jrm, then a bunch of others
pav https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=41446 marcus, adamw (mentor)
peter http://docs.FreeBSD.org/cgi/getmsg.cgi?fetch=148207+0+archive/1995/freebsd-hackers/19950514.freebsd-hackers julian, wollman, davidg, dyson, rgrimes, jkh, bde
pfg https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=2130 asami, msmith, maho, thierry, jhb (mentor)
pgj http://lists.FreeBSD.org/pipermail/cvs-doc/2007-September/016618.html gabor (doc and ports mentor), tabthorpe (ports mentor)
rene https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=57241 remko/gjb (doc mentors), tabthorpe (ports mentor), edwin (1st PR)
rm https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=107407 miwi, glarkin, novel (mentors), wen, itetcu (1st PR), too many others to mention
scf FreeBSD kernel panic: rtfree (1999-12-02) darrenr, wes (mentor)
skozlov https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=180446 amdmi3, junovitch, wg, sbruno (mentor), and many others
shurd https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=18088 db, skreuzer (ports mentors), sbruno (src mentor), mmacy, scottl, phk, and many others
swills https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=33521 pgollucci
tabthorpe https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=97925 clsung, miwi, rafan
thierry https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=25534 dinoex
tj https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=110705 db, eadler (mentors), too many others to mention
vg https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=125251 abbe, amdmi3, danfe, eadler (mentor), makc, miwi, osa (mentor), rm (mentor), wen and others too
wblock https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=36263 gjb (mentor), bcr (mentor), too many others to mention
woodsb02 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191413 adamw (first port commit / mentor), koobs (mentor), mat (mentor)
ygy Building a Physical FreeBSD Build Status Dashboard – FreeBSD Foundation (2017) emaste (supervisor / mentor at the foundation), delphij (mentor), loader (mentor)