Eran Egozy- co-founder of Harmonix
Eliot Van Buskirk- Music Reporter for Wired.com
Parag Chordia- Assistant Professor, School of Music, Georgia Institute of Technology

Jaime Oliver- Silent Drum ¹⁾
Eric Singer- GuitarBot ²⁾
David Wessel- SLABS ³⁾

Johannes Goebel
Tod Machover
Tom Sherwood
Gil Weinberg

Tomas Henriques- The Double Slide Controller ^{4) 5)}
Keith, McMillen- the K-Bow
Kunal Gupta, Tristan Perich and Katie Shima- Loud Objects
Steven Litt- The CrudBox

Sergi Jorda
Tom Oberheim
Jason Freeman

Frédéric Bevilacqua and Julien Bloit- Interlude Consortium MO
Christian Graupner- MindBox Media Slot Machine
Leon Gruenbaum- the Samchillian Tip Tip Tip Cheeepeeeee

Cyril Lance
Atau Tanaka
Parag Chordia

Marco Donnarumma- Xth Sense
Kyle Evans and James Connolly, Cracked Ray Tube
Bojan Gagic and Miodrag Gladovic, Lighterature Reading

Laurie Anderson
David Wessel
Richard Devine

Hans Leeuw- The Electrumpet
Onyx Ashanti- Beatjazz Exo-voice Prosthesis
Merche Blasco- Espongina
Roland Lamb– Roli Seaboard

David Zicarelli
Chris Moore
Young Guru

Tolgahan Çoğulu- Adjustable Microtonal Guitar
Teenage Engineering- OP-1
Gao Jiafeng- TRI-O
Nu desine
Yuto Hasebe, Tree Guitar

semi-finals and finals ⁶⁾

Joe Paradiso
Graham Marsh
DJ Hurricane

Tlacael Esparza
Suzanne Farrin
Bruno Verbrugghe
Monica Rikic
Krzysztof Cybulski

Martin Marier

Christophe d'Alessandro, Boris Doval, Lionel Feugère, Olivier Perrotin- Cantor Digitalis
Peter Bussigel- Ndial
Dominik Hildebrand Marques Lopes, Amelie Hinrichsen, Till Bovermann- PushPull
Jonathan Sparks- Nomis
Ed Potokar- Magnetic Percussion Tower

Semi-Finals
Finals ⁷⁾

Pat Metheny
Allan Kozinn
Marcelo Wanderley

Ken Butler- Golf Club Sitar/Tabla
Görkem Şen- Yaybahar
Leo Bettinelli - STIMULiERTE EMISSIONEN KLINGEN
Greg Beller- The Sound Space
Robert Wechsler, Andreas Bergsland, and Eirc Naindouba- Motion Composer
Ed Potokar- Contriverb

semi-finals
finals ⁸⁾

Elaine Chew
Mike Adams
Daedelus

Kristina Warren- Abacus
Nick Hwang- The Actuated, Embedded, Musical Instrument
Jiffer Harriman- Beatbox
Uday Shankar- Chitravenu
Yoshihito Nakanishi- Cell Music gear
Pasha Karami- Globe-Tombak
Nathan M. Asman- Logdrum+
Ivan Franco- The Mitt
Hanoi Hantrakul, Zack Kondak, and Somesh Ganesh- Moog's Greatest Hits :: Moog Hackathon Winner
Erich Netherton- The Netherbox
Victoria Grupp- Track It :: Zip It
Peter Williams, Alex Baldin, Troels Hammer- Tromba Moderna

Subhraag Singh- Infinitone
Takumi Ogata- Rib Cage
Caleb Byerly- Salimbaa
Akito Van Troyer- MM-RT
Chet Udell- Optron
Ly Yang & Zak Seipel- Lyharp

Semifinals ^{9) 10) 11)}
finals ¹²⁾

Suzanne Ciani
Jesper Kouthoofd
Perry R. Cook

Nathan M. Asman- Curve
Hakan Lidbo- Fruitsynths
Yuxin Zhang, Zichen Wang, Ning Yang- Zen Garden
David Baylies- Stella
Tom Greenwood- Illumicube Ensemble
Pasha Karami- Globe-Tombak
Mike Richison- Spin Stack
Yuto Hasebe- Deer Calling
Seth Thorn- alto.glove

Jassie Rios- GramFX
Gurpreet Chana- TABLIX
Victor Zappi- Hyper Drumhead
Robert Van Rooyen- MechDrum
Gustavo Silveira- XT Synth
Matthew Steinke- Stepper Rattle
Jan Heinke- Stahlcello
Matt Borland- Shruti Box
Wesley Hicks- Microtonal Ocarina

semi-finals
finals ¹³⁾

Pamela Z
Roger Linn
Ge Wang

Nathan Asman- Kaurios
Rodrigo F. Cadiz- Arcontinuo
Keith Groover- The Glide
QianQian Jin- QJin
Amit Segall- Hit-Strike-Play
Enrico Vinholi & Ben Cooper- Spinstruments
Chet Udell- Spiderharp
Jag Jayaprakash- S.R.I Mrudanga
Alon Ilsar- Airsticks
Gabriel Passov- Chord Viola
Moforte & Wizdom Music- GeoShred
Alice Barbe & Asimm Hirani- Biot-Savharp
Astrid Bin, Ryan Rose & Richard Savery- Mission Control
Koradan- Koritas

Semi-finals ¹⁴⁾
Finals ¹⁵⁾

Rebecca Fiebrink
Jordan Rudess
David Zicarelli

Laurel S. Purdue- Svampolin
David Whalen- The Jamboxx
Joseph P. LoSchiavo- Galaxy Electric Harp
Krzysztof Cybulski- MEMO/MOVE
Alexandre Berthaud- Ork.1
Hugh Aynsley- Stretchi
Bosko- ElectroSpit
Dr. Benjamin Schogler- Skoog
Ruhan Yang,Jiewen Wang, and Xiangyi Li- The e-Trombone

Competition gallery- ¹⁶⁾

The 2021 Guthman Competition was conducted differently then the prior competitions due to difficulties surrounding the Covid 19 pandemic. The event was moved to online and the finalists are picked based off the public voting conducted on the Guthman Competition (Georgia Tech) website.

Grace Leslie- moderator
Anna Weisling- Commentator
Gregory Taylor- Commentator
Jocelyn Kavanagh- Commentator
Jason Freeman- Commentator

DJ Spooky- Judge
Kaki King- Judge
Dave Smith- Judge
Jayson Dobney- Judge

Peter Kirn- Proposed Judge
Roger Linn- Proposed Judge
Raghavasimhan Sankaranarayanan- Proposed Judge

There were 29 Semifinalists for the 2021 competition, a striking divergence from the structure of prior years.

Aodyo Instruments- Sylphyo ^{17) 18)}
OWOW- MIDIS, built by Twan Muste ¹⁹⁾
Genki Instruments- Wave ^{20) 21)}
Juan Arminandi- Maksnovation Instrument ²²⁾
Bradford Reed- The Pencilina ²³⁾
Evan Swanson- TheoryBoard ²⁴⁾
Odisei Music- Travel Sax ^{25) 26)}
Sam Underwood & Graham Dunning- Mammoth Beat Organ ^{27) 28)}
Cortex Design- Lumatone Isomorphic Keyboard, made by Siemen Terpstra and Dylan Horvath ²⁹⁾
Brian Alexander- “Q” ^{30) 31)}
Allan Montan and the OMIT Team- The OMIT Instrument ³²⁾
Eric Pitra- Stereo Field ³³⁾
Patricia Cadavid- Electronic_Khipu_ ^{34) 35)}
André Taques- Rainbow Double Whistle ³⁶⁾
Úlfur Hansson- Segulharpa (Electromagnetic Harp) ³⁷⁾
David Shea, Monica Lim, Mirza Ceyzar- Electromagnetic Piano ³⁸⁾
Dualo- du-touch S, made by Jules Hotrique & Bruno Verbrugghe ³⁹⁾
Clark Battle- Evolano ⁴⁰⁾
PanMuse & Panaiotis- Bandojo Digital Musical Instrument ⁴¹⁾
Kamil Laszuk, Jakub Kozik, Ida Laszuk- Musicon ⁴²⁾
Jon Pickard- 23 string Harp Guitar ⁴³⁾
Rafaele Andrade- Knurl ⁴⁴⁾
Atlas Çoğulu, Tolgahan Çoğulu, Ruşen Can Acet ⁴⁵⁾- Lego Microtonal Guitar ⁴⁶⁾
Piers Titus van der Torren- The Striso ⁴⁷⁾
Steve Parker- War Tuba ⁴⁸⁾
Artiphon- Orba, made by Mike Butera ⁴⁹⁾
Nomi Abadi- NORY® double synth ⁵⁰⁾
Mihalis Shammas- Kyklophonon ^{51) 52)}
Axel Bluhme- Spin ⁵³⁾

Semifinalists Gallery ⁵⁴⁾
The 2022 Guthman Competition was conducted in a similar manner to the 2021 competition due to difficulties surrounding the Covid 19 pandemic. The event was moved to online and the finalists are picked based off the public voting conducted on the Guthman Competition (Georgia Tech) website.

Gerhard Behles ⁵⁵⁾
Paola Antonelli
Rick Beato

Jammy Instruments- Jammy Guitar ⁵⁶⁾
Tolga Zafer- Tritonet ⁵⁷⁾
Giacomo Lepri- Chowndolo ⁵⁸⁾
Chet Udell- DPAK: AirGlow⁵⁹⁾
Nina Kraus, Kevin Cole- ⁶⁰⁾
Karin Schaupp- The Immersive Guitar ⁶¹⁾
Instruments of Things- SOMI-1 ⁶²⁾
Ghasi Yussef- Nailute ⁶³⁾
Physical Synthesis- Cicada ⁶⁴⁾
Notto J. W. Thelle- Spire Muse ⁶⁵⁾
Franz Ehn- Aristid ⁶⁶⁾
Ken Lovelett- Orthagonal Lap Drum ⁶⁷⁾
Dániel Váczi & Tóbiás Terebessy- Glissotar ⁶⁸⁾
Ni Shan- Mermy ⁶⁹⁾
Mateo Mena- The Hypercubes ⁷⁰⁾
Stefan Licheri- Licheri guitar ⁷¹⁾
Grégoire Locqueville, Christophe d'Alessandro, Xiao Xiao, Boris Doval- T-Voks ⁷²⁾
Nick Wishart- Round Sounds ⁷³⁾
Nick Millington- Saxmonica ⁷⁴⁾
Arthur Clay- The SoundScapers Collection ⁷⁵⁾
Chantelle Ko- The GLOBE (Gesture Sensing Luminous, Oscillating Ball Environment) ⁷⁶⁾
Kseniia Vasileva- KSSL №9 ⁷⁷⁾
Serge De Laubier- Méta-Instrument N°4 ⁷⁸⁾
Andrey Bundin- Motion Vox ⁷⁹⁾
Eleonora Oreggia- Rebus ⁸⁰⁾
Brian Lindgren- Electronic Viola ⁸¹⁾

Finals ⁸²⁾
Semifinalists Gallery ⁸³⁾
The 2023 has returned to an in person competition with live audience at Georgia Tech, much like before covid restrictions the amount of finalists in the competition is also much smaller.

Athan Billias- President of the MIDI Association ⁸⁴⁾
Kris Bowers- award-winning film score composer and pianist
Morwaread Farbood- Associate Director of Music Technology at New York University

Elias Jarzombek- Abacusynth ⁸⁵⁾
Violin ASR Project- Active Shoulder Rests (ASRs) for Violin ⁸⁶⁾
Lia Mice- Chaos Bells ⁸⁷⁾
Stefan Licheri- Grillophone ⁸⁸⁾
Andrea Martelloni, Andrew McPherson, and Mathieu Barthet- HiTAR ⁸⁹⁾
Patricia Cadavid H.- Kanchay_Yupana / / ⁹⁰⁾
Karl Gerber- Sensor 32 ⁹¹⁾
Iran Sanadzadeh and Sebastian Collen- The Terpsichora Pressure-Sensitive Floors ⁹²⁾
Keith Baxter- Zen Flute ^{93) 94) 95)}

Bosko Kante- Inventor of the tubeless mobile talkbox
Andrew McPherson- computing researcher, composer, electronic engineer, and musical instrument designer.
Kelly Snook- music producer, music technologist, and data sonification researcher working at the intersection of the arts, science, and technology.

Jean-François Laporte- Babel Table ^{96) 97)}
Kat Mustatea and Yonatan Rozin- BodyMouth ^{98) 99)}
Pippa Kelmenson- Bone Conductive Instrument (BCI) ^{100) 101)}
Anthony Dickens- Circle Guitar ^{102) 103)}
Thomas Coor- The Lorentz Violin ¹⁰⁴⁾
Playmodes Studio- Sonògraf ^{105) 106)}
Nicola Privato- Thales ^{107) 108)}
Max Addae- VocalChords ^{109) 110)}
Orpheas Kofinakos, Herui Chen, and Peter Zhang- X.E.K.I. ^{111) 112)}
Chi Wang- YUAN (AEON) ^{113) 114)}