This proceedings consists of the following papers: approaches to pigeonpea research (Mukunya, D.M.); strategies and experiences in pigeonpea variety development for Eastern and Southern Africa (Silim, S.N.); pigeonpea breeding: objectives, experiences, and strategies for Eastern Africa (Kimani, P.M.); new regional initiatives in pigeonpea improvement (Kimani, P.M.; Mergeai, G.; Silim, S.N.; Baudoin, J.P.; Rubaihayo, P.R.; Janssens, M.); recent developments in pigeonpea breeding in Uganda (Rubaihayo, P.R.); inheritance of resistance to fusarium wilt in pigeonpea (Odeny, D.A.); yield losses due to field pests and integrated pest management strategies for pigeonpea - a synthesis (Minja, E.M.); pest and current studies on ecology and management of insect pests of pigeonpea (Kyamanwa, S.; Akongo, T.; Rubaihayo, P.R.); cercospora leafspot in Eastern Africa, and strategies to reduce yield losses (Kimani, E.W.); improved management practices to increase productivity of traditional cereal/pigeonpea intercropping systems in Eastern Africa (Mergeai, G.; Silim, S.N.; Baudoin, J.P.); cereal-pigeonpea intercropping systems: the Ugandan experience (Owere, L.; Rubaihayo, P.R.; Osiru, D.S.O.); potential of pigeonpea-cotton intercropping in Uganda (Schulz, M.; Janssens, M.); potential of short- and medium-duration pigeonpea as components of cereal intercrop (Smith, C.; Baudoin, J.P.; Mergeai, G.); pigeonpea technology exchange - strategies, experiences, and lessons learnt in Eastern and Southern Africa (Jones, R.B.; Freeman, H.A.; Silim, S.N.); farmer participation in evaluation of improved pigeonpea varieties in Eastern Kenya (Audi, P.; Jones, R.B.; Freeman, H.A.); enhancing adoption of pigeonpea in Tanzania using participatory approaches (Lyimo, S.D.; Myaka, F.A.); seed delivery system - status, constraints, and potential in Eastern and Southern Africa (Jones, R.B.; Audi, P.; Silim, S.N.); achieving impact through partnership in the livelihood of people living in extreme poverty (Remington, T.); effect of genotype, storage temperature, shelling, and duration of storage on quality of vegetable pigeonpea (Onyango, M.C.; Silim, S.N.); evaluation of dry mature pigeonpea seeds for processing and eating quality (Karuri, E.G.; Mwaniki, A.M.; M'Thika, J.N.; Kimani, P.M.); integrated management of postharvest pests of pigeonpea: status and potential (Silim, S.N.; Agona, J.A.); sub-sector analysis as a tool for improving commercialization and market access for pigeonpea producers (Freeman, H.A.; Jones, R.B.); business principles for pigeonpea market linkage (Kunde, G.); on-station research, technology exchange, and seed systems for pigeonpea in Tanzania (Mligo, J.K.; Myaka, F.A.; Mbwaga, A.; Mpangala, B.A.); on-station research, technology exchange, and seed systems for pigeonpea in Uganda (Okurut-Akol, H.; Obuo, J.E.; Omadi, J.R.; Eryenyu, A.; Okwang, D.A.); pigeonpea research, technology exchange, and seed production in Malawi (Soko, H.N.)