Here you can see the people who have earned the most Launchpad karma while working on Ubuntu. (What is karma?)

Overall

Person Distribution Karma Total Karma
Vilson Gjeci 4092199 4207876
Rik Mills 773970 774825
Ubuntu Langpack Uploader 460527 460527
Lugito 428231 428231
Ben Romer 271166 354092
Ubuntu Kernel Bot 263715 5204805
Gianfranco Costamagna 252296 252479
Manfred Hampl 247003 308011
Matthias Klose 232753 233935
Graham Inggs 141864 144361
Alexander G. 136780 136780
Devices Certification Bot 111618 111751
Nick Rosbrook 105019 109099
Andreas Hasenack 102982 123797
actionparsnip 102500 102500
Jeremy Bícha 90300 93354
CPC PPA Bot 88173 88173
Salvatore Cocuzza 80072 80510
Simon Quigley 79432 81329
git-ubuntu bot 74762 74762

By category

Person Answer Tracker Karma Total Karma
Manfred Hampl 247000 308011
actionparsnip 102500 102500
Test 49500 49538
Daniel Letzeisen 38000 50130
michael 11500 11500
Unknown 11000 11008
Nick Mortel 9500 10000
James Thomas 8000 8000
Alexandre 8000 8000
jfhnb 7500 7500
peterzay 7500 7537
luceyrane 7000 7000
asfdadfas 7000 7000
James Peterson 6500 6539
Enrique Navarro Gómez 6500 6509
Miloš Z 6000 6009
Eva May 6000 6000
Jan Iversen 5500 5511
tspmo 5500 5519
Tal Regev 5000 5009
Person Bug Management Karma Total Karma
Ubuntu Kernel Bot 263661 5204805
Daniel van Vugt 6619 28123
Bryce Harrington 4822 14871
Jeremy Bícha 4355 93354
Graham Inggs 4267 144361
You-Sheng Yang 3750 28608
Alessandro Astone 3416 36819
Andreas Hasenack 3273 123797
Simon Quigley 3164 81329
Sebastien Bacher 2539 34996
Daniel Letzeisen 2492 50130
AceLan Kao 2478 3102
Manuel Diewald 2288 78480
Nick Rosbrook 2124 109099
Timo Aaltonen 2089 54943
Juerg Haefliger 2054 24719
Athos Ribeiro 1959 27535
Lena Voytek 1952 44141
Lukas Märdian 1875 20711
Christian Ehrhardt 1835 27192
Person Code Karma Total Karma
Andreas Hasenack 78417 123797
git-ubuntu bot 74762 74762
Nick Rosbrook 47697 109099
Christian Ehrhardt 7308 27192
Myles Penner 4720 60728
Vladimir Petko 3559 22470
Ural Tunaboyu 3178 17639
Jesse Sung 2988 20272
Lena Voytek 2283 44141
Tobias Heider 2245 14936
You-Sheng Yang 2112 28608
Jonas Jelten 2074 11627
Renan Rodrigo 2017 17957
Lukas Märdian 1998 20711
Pragyansh Chaturvedi 1960 11357
Guillaume Boutry 1751 32071
Nishit Majithia 1712 13816
Pushkar Kulkarni 1636 10569
Athos Ribeiro 1636 27535
Skia 1560 12828
Person Soyuz Karma Total Karma
Rik Mills 772591 774825
Ubuntu Langpack Uploader 460527 460527
Lugito 428231 428231
Ben Romer 271164 354092
Gianfranco Costamagna 251748 252479
Matthias Klose 231815 233935
Graham Inggs 137597 144361
Alexander G. 136780 136780
Devices Certification Bot 111618 111751
CPC PPA Bot 88173 88173
Jeremy Bícha 84279 93354
Simon Quigley 76028 81329
Andy Whitcroft 64264 152901
Rob Savoury 60615 63164
Myles Penner 55605 60728
Nick Rosbrook 54815 109099
Jasem Mutlaq 46864 47364
Adam Reviczky 44876 44904
Michael Marley 43705 43706
Sudip Mukherjee 42588 43693
Person Specification Tracking Karma Total Karma
RosendoVQuinones 3000 3000
Muhammad Akash 500 500
Person Translations in Rosetta Karma Total Karma
Vilson Gjeci 4092199 4207876
Salvatore Cocuzza 80067 80510
karm 65004 72495
Wint Theingi Aung 63213 63327
Luke Hollins 26268 26268
Alexandr Primak 26214 29046
Ubuntu Archive Auto-Sync 16178 16178
Мирослав Николић 13490 21709
Eugene Roskin 12704 14073
Makoto Sakaguchi 12339 12358
Marek Adamski 9560 14330
taijuin lee 7860 8463
Rockworld 7732 9541
Xosé 7568 13453
Elmin Alirzayev 7293 7293
fuat tatar 6105 7804
Klavs Petersons 5392 88255
leifdk 4314 4314
Quentin PAGÈS 3985 7237
Alan Mortensen 3948 5099