| Name | Company | Active Certifications | |
| Lia D'arlach | Fujitsu Network Communications | lia.darlach@us.fujitsu.com | *No Active Certifications at this time* |
| Fahim Dadan | |
fahim.dadan@bell.ca | *No Active Certifications at this time* |
| Alpharetta Dalilis | |
asdalilis@globe.com.ph | MEF-CECP |
| Rivera Jr Danilo | |
dlrivera@pldt.com.ph | *No Active Certifications at this time* |
| Neil Danilowicz | |
neil@mef.net | MEF-SDCP |
| Rommel Danzalan | |
rcdanzalan@pldt.com.ph | MEF-SNCP |
| Danny Daqui | |
danny.daqui@charter.com | MEF-SDCP |
| Melito Darvin | |
mldarvin@pldt.com.ph | *No Active Certifications at this time* |
| Dhananjay Dass | |
dhananjay.dass@colt.net | MEF-SDCP |
| Dhaval Dave | |
dhaval_dave@comcast.com | MEF-SDCP |
| Trent Davis | |
trent.davis@metronet.com | MEF-CECP |
| Jeffery Davis | |
jeffery.davis@charter.com | MEF-SDCP |
| Brian Davis | |
brian.j.davis@charter.com | MEF-CECP |
| Marc Davis | |
marc.davis@telus.com | *No Active Certifications at this time* |
| John Davis | |
john.davis1@charter.com | *No Active Certifications at this time* |
| Andrew Davis | |
andrew_davis4@comcast.com | MEF-SDCP |
| Max Davis | |
max.davis@charter.com | *No Active Certifications at this time* |
| Paul Davis | |
paul.davis@charter.com | *No Active Certifications at this time* |
| Ghassan Dbouk | |
ghassan.dbouk@bell.ca | *No Active Certifications at this time* |
| Mario De Castro | |
mbdecastro@pldt.com.ph | MEF-CECP, MEF-SNCP |
| Dhan De Castro | |
dbdecastro@pldt.com.ph | MEF-SNCP |
| Gaetane De Dainville | |
gaetane.dedainville@lumen.com | MEF-SDCP, MEF-NF |
| David De Flores | |
david_deflores@cable.comcast.com | MEF-SDCP |
| Alex De Kloet | |
alex.dekloet@lumen.com | *No Active Certifications at this time* |
| Jason De La Rosa | |
jason.delarosa@cox.com | *No Active Certifications at this time* |
| Gerrel Ann S. De Lara | |
gddelara@pldt.com.ph | MEF-CECP |
| Jerico D. De Leon | |
jddeleon@pldt.com.ph | MEF-CECP |
| Benson Paolo De Leon | |
bmdeleon@pldt.com.ph | MEF-SNCP |
| Mark De Mesa | |
mddemesa@pldt.com.ph | MEF-SNCP |
| Rossell De Ocampo | Trends | rsdeocampo@pldt.com.ph | *No Active Certifications at this time* |
| Ryan De Quiroz | |
rrdequiroz@pldt.com.ph | MEF-SNCP |
| Angelo De Souza | |
angelo.de_souza@bell.ca | *No Active Certifications at this time* |
| Jon-Michael Debona | |
jon-michael.debona@charter.com | *No Active Certifications at this time* |
| Michael C. Decano | |
mcdecano@pldtus.com | *No Active Certifications at this time* |
| Robert Deddy | Verizon | robert.e.deddy@verizon.com | MEF-SDCP |
| Cynthia Dehner | Verizon | cynthia.j.dehner@verizon.com | MEF-SDCP |
| Jm Dela Cruz | |
joadelacruz@pldt.com.ph | MEF-SNCP |
| Ola Delalu | Altice USA | ola.delalu@alticeusa.com | *No Active Certifications at this time* |
| Jules Deleon | Altice USA | jules.deleon1@alticeusa.com | *No Active Certifications at this time* |
| Mc Edrienne Delos Reyes | |
mldelosreyes@pldt.com.ph | MEF-SNCP |
| Hiroshi Dempo | NEC | dem@ah.jp.nec.com | *No Active Certifications at this time* |
| Norman Descartin | |
ncdescartin@pldt.com.ph | *No Active Certifications at this time* |
| Devendra Dhakarey | Accenture | devendra.s.dhakarey@accenture.com | MEF-SNCP |
| Paman Dhillon | |
paman.dhillon@bell.ca | MEF-SDCP |
| Ntando Dhlamini | BCX | ntando.dhlamini@bcx.co.za | MEF-NF |
| Ernesto Diaz | |
ernesto.diaz@charter.com | MEF-SNCP |
| Raleigh Dickey | |
raleigh_dickey@comcast.com | *No Active Certifications at this time* |
| Isma Laye Dieng | |
ismalaye.dieng@telus.com | *No Active Certifications at this time* |
| John Dillard | |
john.dillard@charter.com | MEF-CECP |
| Lujun Ding | (unknown) | dinglujun@eccom.com.cn | MEF-SDCP |
| Eric Dinwoodie | |
eric.dinwoodie@optk.com | MEF-CECP |
| Emilio Divinagracia | |
eddivinagracia@pldt.com.ph | *No Active Certifications at this time* |
| Selena Dixon | |
selena.dixon@charter.com | MEF-CECP |
| Basil Dlamini | MTN | basil.dlamini@mtn.com | MEF-SNCP |
| James Dobbs | |
james.dobbs@charter.com | MEF-CECP |
| Anatolie Dobos | EXA Infrastructure | anatolie.dobos@exainfra.net | MEF-CECP |
| Lerato Dolamo | Seacom | lerato.dolamo@seacom.mu | *No Active Certifications at this time* |
| Leonard Dorn | |
len_dorn@cable.comcast.com | *No Active Certifications at this time* |
| Geoff Dornan | CMC Networks | geoff@cmcnetworks.net | *No Active Certifications at this time* |
| Philippe Doucet | |
philippe.doucet@bellaliant.ca | *No Active Certifications at this time* |
| Sarah Douglas | |
sarah.douglas@charter.com | MEF-SDCP |
| Todd Draper | |
todd_draper@comcast.com | *No Active Certifications at this time* |
| Michael Druding | |
michael_druding@comcast.com | *No Active Certifications at this time* |
| Petrus Du Toit | BCX | petrus.dutoit@bcx.co.za | MEF-NF |
| Erik Dube | |
erik_dube@comcast.com | MEF-SDCP |
| Simon Duckworth | |
simon.duckworth@metronet.com | MEF-CECP |
| Sorin Dumitrescu | |
sorin.dumitrescu@ses.com | MEF-NF |
| Matt Duncalf | |
matthew.duncalf@lumen.com | *No Active Certifications at this time* |
| Ken Duncan | |
ken.duncan@perpetual-solutions.com | MEF-CECP |
| Craig Duncan | Liquid telecommunications | craig.duncan@liquidtelecom.co.za | *No Active Certifications at this time* |
| Tony Duong | |
tonyduong@nbnco.com.au | *No Active Certifications at this time* |
| Mathieu Dupuis | |
madupuis@telebec.com | *No Active Certifications at this time* |
| Yulia Duryea | |
yulia_duryea@comcast.com | *No Active Certifications at this time* |