- D' Ornellas, Ian C.: Foundation Level
- D'Addario, Livia: Foundation Level
- D'Alessio, Darin James: Foundation Level
- d'Entremont, Nanette: Foundation Level
- D'Souza, Juliet: Foundation Level
- D'souza, Michael: Foundation Level - Agile Tester
- D'souza, Michael: Foundation Level
- Da Ponte, Maryline: Foundation Level
- da Silva, Leonardo Gabriel: Foundation Level
- Dabburi, Sai: Foundation Level
- Dadwal, Seema: Foundation Level
- Daguerre, Joel: Foundation Level
- Dahiya, Navin: Foundation Level
- Dalela, Sudeep: Foundation Level
- Dalvi, Abhay: Foundation Level
- Dalwadi, Bhumi: Foundation Level
- Dam, Shallen: Foundation Level
- Damian, Lidia: Foundation Level
- Dandiwal, Suman: Foundation Level
- Dandiwal, Suman: Foundation Level - Agile Tester
- Dangeti, Venkata Ramesh: Foundation Level
- Dangi, Apeksha: Foundation Level
- Darbha, Sainitya: Foundation Level
- Darji, Devang: Foundation Level - Agile Tester
- Darji, Devang: Foundation Level
- Darji, Krunal: Foundation Level
- Darji, Krunal: Foundation Level - Agile Tester
- Dark, Joseph Angelo: Foundation Level
- Darragh-Gander, Sharon: Foundation Level
- Darragh-Gander, Sharon: Advanced Level - Test Analyst
- Das, Akshita: Foundation Level
- Das, Maitryee: Foundation Level
- Das, Poulami: Foundation Level
- Das, Sanjay: Foundation Level
- Dasari, Sarath Babu: Foundation Level
- Dass, Prabhakar: Foundation Level
- Datt, Manish: Foundation Level
- Datta, Subhayan: Foundation Level
- Datye, Ashna: Foundation Level
- Dave, Bhoomika: Foundation Level
- Dave, Darshan: Foundation Level
- Dave, Janaki: Foundation Level
- Dave, Preetiben: Advanced Level - Test Manager
- Dave, Preetiben: Foundation Level
- Dave, Shruti: Foundation Level
- Davelalitkumar, Hitesh: Foundation Level
- David, George Daniel: Foundation Level
- Davis, Luke K.: Foundation Level
- Dayasundara, Ranjit: Foundation Level
- Daza, Denize: Foundation Level
- De Amicis, Franco: Foundation Level
- de Bellefeuille, Marielle Lisette: Foundation Level
- De Castro, Czarinna: Foundation Level
- De Guise, Annie: Foundation Level
- de Leon, Rhoneil Victor: Foundation Level
- De Merchant, Betty: Foundation Level
- De Siqueira Campos Araujo, Andrea: Foundation Level
- De Tina, Emilio: Foundation Level
- Dean, Taylor William: Foundation Level
- Deb, Indira: Foundation Level
- Deb, Sushmita: Foundation Level
- DeBarto, Natalie Louise: Foundation Level
- Debian, Osama: Foundation Level
- Debnath, Dipon C.: Foundation Level
- DeCastro, Joseph Alan: Foundation Level
- Decdeli, Can: Foundation Level
- Decena, Erlita: Foundation Level
- Dedam, Whitney J. Gwendolen: Foundation Level
- Deekaram, Anandha Kumar : Foundation Level
- Deep, Prakash: Foundation Level
- Deep, Prakash: Foundation Level - Agile Tester
- Deepavali, Madhusudhan: Foundation Level
- Deepika, Deepika: Foundation Level
- Degaust, Roberta Marie: Foundation Level
- Degheili, Mohamad Jawad : Foundation Level
- Dehal, Inderjit Singh: Foundation Level
- Dehghani, Marjan: Foundation Level
- Dehghani, Siavash: Foundation Level
- Dehquani, Neha: Foundation Level
- del Mundo, Alan: Foundation Level
- Delicieux, Donald: Foundation Level - Agile Tester
- Delicieux, Donald: Foundation Level
- Delisle, Francois: Foundation Level
- Deliwala, Labdhi: Foundation Level
- Delvi, Rabiya: Foundation Level
- Demarchi, Chris Eric: Foundation Level
- Demas, Natalie: Foundation Level
- Demers, Regis: Foundation Level
- Deng, Chao: Foundation Level
- Deng, Wen: Foundation Level
- Denic-Petrovic, Gordana: Foundation Level
- Dennis-Priganica, Nathalia: Foundation Level
- Deol, Sukhwinder Kaur: Foundation Level
- Depa, Latha: Foundation Level
- Derrah, Jayme: Foundation Level
- Dertinger, Noreen: Foundation Level
- Dervishyan, Arsen: Foundation Level
- Des Bois, Vincent: Foundation Level
- Desai, Jaykumar: Foundation Level
- Desai, Preyas V.: Foundation Level
- Desai, Vaidehi: Foundation Level
- Desai, Zankhana: Foundation Level
- Deshmukh, Rashmi: Foundation Level
- Deshmukh, Swati: Foundation Level
- Deslauriers, Cydney Colleen: Foundation Level
- Destine, Olson Jean Judner: Foundation Level
- Desulme, Ralf: Foundation Level
- Deva, Vinay Kumar: Foundation Level
- DEVA DOSS, ANBU KUMAR: Foundation Level
- Devadoss, Archana: Foundation Level
- Devalapurkar, Gayathri: Foundation Level
- Devanandan, Edward: Foundation Level
- Devarajan, Jeyadevi: Foundation Level
- Devarapalli, Christian: Foundation Level
- Devers, Cheryl: Foundation Level
- Devgan, Rajneesh: Foundation Level
- Devgan, Staffy: Foundation Level
- Devi, Divya: Foundation Level
- Devi, Sushila: Foundation Level - Agile Tester
- Devikumari, Bhagavathi: Foundation Level
- Dewan, Sakshi: Foundation Level
- Dewan, Sakshi: ASTQB Certified Mobile Tester
- Dewan, Zobeda Begum: Foundation Level
- DeWolfe, Mark Geoffrey: Foundation Level
- Dey, Rumi: Foundation Level - Agile Tester
- Deyzel, Werner: Foundation Level
- Deyzel, Werner: Foundation Level - Agile Tester
- Dhage Narayan, Nitin: Foundation Level
- Dhakal, Bal Krishna: Foundation Level
- Dhaliwal, Gobind: Foundation Level
- Dhaliwal, Gurlal Singh: Foundation Level
- Dhaliwal, Jaspreet: Foundation Level
- Dhaliwal, Mandeep: Foundation Level
- Dhaliwal, Paul: Foundation Level
- Dhaliwal, Raminder: Foundation Level
- Dhammi, Meenakshi: Foundation Level
- Dhandapani, Tamilselvi: Foundation Level
- Dhanesar, Manmeet Kaur: Foundation Level
- Dhanoa, Harsimran Singh: Foundation Level
- Dhanota, Ravinderpal: Foundation Level
- Dhar, Akshi: Foundation Level
- Dhareshwar, Lalita: Foundation Level - Agile Tester
- Dhareshwar, Lalita: Foundation Level
- Dhasmana, Nidhi: Foundation Level
- Dhawan, Girish: Foundation Level
- Dhawan, Shweta: Foundation Level
- Dheer, Sumati: Foundation Level
- Dhillon, Amandeep Singh: Foundation Level - Agile Tester
- Dhillon, Amandeep Singh: Foundation Level
- Dhillon, Amandeep Singh: Advanced Level - Test Manager
- Dhillon, Jasmeet: Foundation Level
- Dhindsa, Harmeet Kaur: Foundation Level
- Dhingra, Jasline: Foundation Level
- Dhingra, Lokesh: Foundation Level - Agile Tester
- Dhir, Raghav: Foundation Level
- Dhir, Saajan: Foundation Level
- Dhivakar, Janaki: Foundation Level
- Dholariya, Kavitaben : Foundation Level
- Diallo, Mamadou Bobo: Foundation Level
- Dias, Andre: Foundation Level
- DIMACULANGAN, CLEOFE GRACE: Foundation Level
- DIMACULANGAN, CLEOFE GRACE: Foundation Level
- Dimitrijevic, Aleksandar: Foundation Level
- Dinesh, Bindu: Foundation Level
- Ding, Daiyi: Foundation Level
- Ding, Lina: Foundation Level - Agile Tester
- Ding, Lina: ASTQB Certified Mobile Tester
- Ding, Lina: Foundation Level
- Ding, Ning: Foundation Level
- Direktorenko, Artem: Foundation Level
- Discepola, Claudio: Foundation Level
- Discepola, Claudio: Foundation Level
- Dixit, Jignasa: Foundation Level
- Dixon, Christopher Richard: Foundation Level
- Dixon, Mervin: Foundation Level
- Dizon, Lyzander: Foundation Level
- Djanko, Firmin: Foundation Level
- Djaou, Firdous: Foundation Level
- Djorgon, Ivan: Foundation Level
- Djouad, Zoheir: Foundation Level
- Dmitrovic, Djuro: Foundation Level
- Doad, Randeep: Foundation Level
- Dobariya, Sandip: Foundation Level
- Dobre, Adriana Simona: Foundation Level
- Dobre, Adriana Simona: Foundation Level - Agile Tester
- Dobre, Mihaela: Foundation Level
- Dobrowolski, Mark: Foundation Level - Mobile Application Testing
- Doi, Franco: Foundation Level
- Dokoukina, Alla: Foundation Level
- Dokoukine, Maxim: Foundation Level
- Dokuparthy, Spoorthy: Foundation Level
- Dominic, Dani: Foundation Level
- Dommer, Dillon: Foundation Level
- Dondo, Paul: Foundation Level
- Donevski, Marija: Foundation Level
- Dong, Jingying: Foundation Level
- Dong, Yue: Foundation Level
- Dong, Yue: Advanced Level - Test Analyst
- Dong, Yuxia: Foundation Level
- Donkers, Lennard: Foundation Level
- Donovan, Barbara Anna: Foundation Level
- Donovan, Barbara Anna: Advanced Level - Test Manager
- Donovan, Barbara Anna: Advanced Level - Test Analyst
- Donovan, Kevin Gordon: Foundation Level
- Dos Santos, Stephen: Foundation Level
- Dosani, Swapna: Foundation Level
- Doshi, Nikunj: Foundation Level
- Doss, Ruban: Foundation Level
- Dossa, Hamida: Foundation Level
- Doucet, Martin: Foundation Level
- Douglas, Carol: Foundation Level
- Douglas, Cayla Michelle: Foundation Level
- Douglas, Kyle: Foundation Level
- Douglas, Kyle: Foundation Level - Agile Tester
- Dowler, Jason P: Foundation Level
- Doyle, Kate: Foundation Level
- Doyle, Monique: Foundation Level
- Doyle, Valerie: Foundation Level
- Drablos, Lars: Foundation Level
- Drake, Jason: Foundation Level
- Drake, Todd: Foundation Level
- Drenea, Andreea: Advanced Level - Test Analyst
- Drinkwater, Peter: Foundation Level
- Driver-Laframboise, Kelly: Foundation Level
- Drljevic, Janko: Foundation Level
- Drobotenko, Lubov: Foundation Level
- Dronavalli, Sai Charan: Foundation Level
- Droogh, Tyson Robert: Foundation Level
- Drought, Erin: Foundation Level
- Druyan, Inna: Foundation Level
- Du, Wei Lin: Advanced Level - Technical Test Analyst
- Du, Wei Lin: Advanced Level - Test Analyst
- Du, Wei Lin: Advanced Level - Test Manager
- Du, Wei Lin: Foundation Level
- Du, Wei Lin: Foundation Level - Agile Tester
- Du, Wei Lin: Full Advanced
- Dube, Frederick: Foundation Level
- Dubetz, Vivian Lynn: Advanced Level - Test Manager
- Dubetz, Vivian Lynn: Foundation Level
- Dubey, Nidhi: Foundation Level
- Dubois, Stephen James: Foundation Level
- Duddempudi, Ajitha: Foundation Level
- Dudgeon-Craise, Sylvia: Foundation Level
- Dudzik, Hanna: Foundation Level
- Dufau, Daniel: Advanced Level - Technical Test Analyst
- Dufau, Daniel: Foundation Level - Performance Tester
- Duffy, Paul: Foundation Level
- Dufour, Sebastien: Foundation Level
- Dufresne-wade, Laurie: Foundation Level
- Dugal, Michel: Foundation Level
- Duggal, Neenu: Foundation Level
- Duggisetty , Dhyanitha Manavya: Foundation Level
- Dumitrache, Catalina: Foundation Level
- Duncan, Carly: Foundation Level
- Duntsova, Yulia: Foundation Level
- Duntsova, Yulia: Foundation Level - Agile Tester
- Duplantis, Jean-Phillipe: Foundation Level
- Durães, Márcio: Foundation Level
- Dutta, Neeraj: Foundation Level
- Dutta, Srinwanti: Foundation Level
- Duval, Cyril: Foundation Level
- Duvvuru, Swetha: Foundation Level
- Dwivedi, Neelam: Foundation Level
- Dwivedi, Neelam: Foundation Level - Agile Tester
- Dwivedi, Sakshi: Foundation Level
- Dy, Hansel Chua: Foundation Level
- Dzikushyna, Kira: Foundation Level