David J. Smith yana da ƙwarewa sama da shekaru 30 a matsayin mai ba da shawara, mai koyar da aiki, lauya, mai shiga tsakani, malami, da mai koyarwa. Ya yi shawarwari tare da kwalejoji sama da 400 a kusa da Amurka kuma ya ba da tattaunawa sama da 500 game da gina zaman lafiya, warware rikice-rikice, adalci tsakanin jama'a, da ilimin duniya. Shi ne shugaban Cibiyar Ginin Harkokin Kasuwanci da Humacin Kasuwanci, Inc., 501c3 ba-don-riba wanda ke ba da damar koyo na ƙwarewa ga ɗalibai da ƙwararru. A da, ya kasance babban jami'in shirye-shirye da manaja a Cibiyar Aminci ta Amurka. David ya koyar a Kwalejin Goucher, Jami'ar Georgetown, Jami'ar Towson kuma a halin yanzu a Makarantar Nazarin Rikici da warwarewa a Jami'ar George Mason. David ya kasance Masanin Ilimin Fulbright na Amurka a Jami'ar Tartu (Estonia) inda ya koyar da karatun zaman lafiya da warware rikice-rikice. Ya kasance mai karɓar kyautar William J. Kreidler don Bambancin Sabis zuwa fagen warware rikice-rikice wanda forungiyar don Confaddamar da Rikici ta bayar. David ne marubucin Gudanar da zaman lafiya: Ɗabi'ar Jagora na Farawa don Farawa Aiki don Yin Salama (Binciken Bayani na Bayanai na 2016) da editan Cibiyar Aminci a Cummunity Colleges: Abincin Koyarwa (Dandalin USIP Press 2013). Yankunan da aka mayar da hankali: zaman lafiya.
