Eran Egozy
Eliot Van Buskirk
Parag Chordia

Jaime Oliver- Silent Drum
Eric Singer- GuitarBot
David Wessel- SLABS

Johannes Goebel
Tod Machover
Tom Sherwood
Gil Weinberg

Tomas Henriques- The Double Slide Controller
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 ¹⁾

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 ²⁾

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 ³⁾

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 ^{4) 5) 6)}
finals ⁷⁾

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 ⁸⁾

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 ⁹⁾
Finals ¹⁰⁾

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- ¹¹⁾

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

Kaki King- Judge
Peter Kirn
Roger Linn
Raghavasimhan Sankaranarayanan

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

Aodyo Instruments- Sylphyo ^{12) 13)}
OWOW- MIDIS, built by Twan Muste ¹⁴⁾
Genki Instruments- Wave ^{15) 16)}
Juan Arminandi- Maksnovation Instrument ¹⁷⁾
Bradford Reed- The Pencilina ¹⁸⁾
Evan Swanson: TheoryBoard ¹⁹⁾
Odisei Music- Travel Sax ^{20) 21)}
Sam Underwood & Graham Dunning- Mammoth Beat Organ ^{22) 23)}
Cortex Design- Lumatone Isomorphic Keyboard, made by Siemen Terpstra and Dylan Horvath ²⁴⁾
Brian Alexander- “Q” ^{25) 26)}
Allan Montan and the OMIT Team- The OMIT Instrument ²⁷⁾
Eric Pitra- Stereo Field ²⁸⁾
Patricia Cadavid- Electronic_Khipu_ ^{29) 30)}
André Taques- Rainbow Double Whistle ³¹⁾
Úlfur Hansson- Segulharpa (Electromagnetic Harp) ³²⁾
David Shea, Monica Lim, Mirza Ceyzar- Electromagnetic Piano ³³⁾
Dualo- du-touch S, made by Jules Hotrique & Bruno Verbrugghe ³⁴⁾
Clark Battle- Evolano ³⁵⁾
PanMuse & Panaiotis- Bandojo Digital Musical Instrument ³⁶⁾
Kamil Laszuk, Jakub Kozik, Ida Laszuk- Musicon ³⁷⁾
Jon Pickard- 23 string Harp Guitar ³⁸⁾
Rafaele Andrade- Knurl ³⁹⁾
Atlas Çoğulu, Tolgahan Çoğulu, Ruşen Can Acet ⁴⁰⁾- Lego Microtonal Guitar ⁴¹⁾
Piers Titus van der Torren- The Striso ⁴²⁾
Steve Parker- War Tuba ⁴³⁾
Artiphon- Orba, made by Mike Butera ⁴⁴⁾
Nomi Abadi- NORY® double synth ⁴⁵⁾
Mihalis Shammas- Kyklophonon ^{46) 47)}
Axel Bluhme- Spin ⁴⁸⁾

Anna Weisling- Commentator
Gregory Taylor- Commentator

Jocelyn Kavanagh Jason Freeman

Semifinalists Gallery ⁴⁹⁾
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.

Jammy Instruments- Jammy Guitar ⁵⁰⁾
Tolga Zafer- Tritonet ⁵¹⁾
Giacomo Lepri- Chowndolo ⁵²⁾
Chet Udell- DPAK: AirGlow⁵³⁾
Nina Kraus, Kevin Cole- ⁵⁴⁾
Karin Schaupp- The Immersive Guitar ⁵⁵⁾
Instruments of Things- SOMI-1 ⁵⁶⁾
Ghasi Yussef- Nailute ⁵⁷⁾
Physical Synthesis- Cicada ⁵⁸⁾
Notto J. W. Thelle- Spire Muse ⁵⁹⁾