Joseph DiMenna

**Joseph A. DiMenna** manajan asusun hedge na Amurka ne kuma Manajan Darakta na Zweig-DiMenna Associates. Shi ne Babban Jami'in Zuba Jari na haɗin gwiwa da asusun Zweig-DiMenna. Ya kafa asusun farko tare da Martin Zweig a shekarar 1984, inda ya yi aiki a matsayin Babban Manajan Fayil. Zweig-DiMenna yana ɗaya daga cikin asusun hedge da ya fi daɗewa.

## Ilimi
DiMenna ya sami digirin farko a fannin Kudi daga Makarantar Kasuwanci ta Dolan ta Jami'ar Fairfield a shekarar 1980. Ya yi aiki a matsayin memba na Kwamitin Amintattu. 

## Farkon aikina
Joe DiMenna ya fara aiki a matsayin mataimakin bincike ga Marty Zweig a shekarar 1977 tun yana ɗalibi a jami'a. Bayan ya yi nazarin hannun jari da kasuwanni tun yana ƙarami, Joe ya fara karanta wasiƙun labarai da dama na kasuwa kuma ya ga cewa "The Zweig Forecast" na Marty Zweig yana da ban sha'awa da amfani. A matsayinsa na digirin digirgir a fannin kuɗi, hanyar Zweig ta kasance ta musamman kuma ta gabaci lokacinsa, inda aka mai da hankali kan zurfafa bincike kan tattalin arziki da adadi ta amfani da bayanai masu ƙarfi. An yaba wa Zweig da ƙirƙirar alamun kasuwa da yawa kamar rabon Put/Call da sauran mahimman ma'auni na ra'ayin masu zuba jari. Kalmomi da dama da har yanzu ake amfani da su sosai kamar "Kada ku yi faɗa da Fed," da "Kada ku yi faɗa da tef ɗin," sun samo asali ne daga Marty. Wannan ya zaburar da DiMenna ya yi ƙoƙarin yin koyi da wasu hanyoyin Zweig. Bayan shekaru kaɗan na yin bincikensa, DiMenna ya aika wa Marty wasiƙa yana ba da shawarar wasu ra'ayoyin kasuwa da kuma neman shawarar jami'a. Wannan wasiƙar ta sa Marty ya ɗauki Joe a matsayin mataimakinsa na bincike wanda duk game da tattara lambobi (galibi da hannu) da kuma bincika tarin bayanai, galibi suna komawa shekaru 50 ko fiye.

## Ƙwararren
Bayan kammala karatunsa daga kwaleji a shekarar 1980, DiMenna ya zauna tare da Martin Zweig kuma ya ci gaba da bincike kan harkokin kasuwanci, da kuma fara aiki kan dabarun zaɓar hannun jari. A wannan lokacin, DiMenna ya fara gyara wata wasiƙar labarai da ta mayar da hankali kan zaɓen hannun jari, sannan ya kafa kasuwanci tare da Marty wanda ke amfani da dabarun lokacin kasuwa don cinikin asusun haɗin gwiwa. Ganin cewa yana da ƙwarewa sosai a kasuwanni da hannun jari, DiMenna ya gabatar wa Zweig a shekarar 1983 ra'ayin cewa su yi amfani da ƙwarewarsu don gina dandamalin sarrafa kuɗi a cikin nau'in asusun haɗin gwiwa. Duk da yake a yanzu haka, akwai ƙasa da asusun haɗin gwiwa 10 da ke akwai a lokacin tare da jimillar kadarorin da suka kai dala miliyan 100 da ke ƙarƙashin gudanarwa. Wannan ya kwatanta da cewa a halin yanzu akwai sama da asusun 10000 da ke sarrafa sama da dala tiriliyan 2.  DiMenna tare da Zweig sun kafa haɗin gwiwa na farko na Zweig-DiMenna a shekarar 1984 da Zweig-DiMenna International Limited, asusun farko na ƙasashen waje, a shekarar 1987. Asusun yana da dogon lokaci/gajeren mayar da hankali kan hannun jari tare da haɗa da kula da haɗarin macro. Matsayin Joe DiMenna shine manajan fayil ɗin da ke da alhakin hannun jari da sauran jari. Zweig ne ke da alhakin tantance canjin yanayin kasuwa. Tare suka tsara dabarun da suka dace waɗanda DiMenna ya sarrafa.

A shekarar 1999, BusinessWeek ta bayyana DiMenna a matsayin "ɗaya daga cikin mafi kyawun masu ɗaukar hannun jari da babu wanda ya taɓa jin labarinsu," inda ta amince da ribar Zweig-DiMenna ta shekara-shekara ta 15, bayan biyan kuɗi, ta kashi 25%, idan aka kwatanta da jimillar ribar da aka samu ta shekara-shekara ta kashi 18.6% ga ma'aunin hannun jari na Standard & Poor's 500. 

A shekara ta 2002, Gidauniyar Koyar da Koyarwa ta Ƙasa ta ba wa DiMenna suna a matsayin "Ɗan Kasuwa na Shekara", wata ƙungiya da ke haɓaka koyar da ƙa'idodin kasuwanci ga ɗalibai.

A shekara ta 2007, asusun Zweig-DiMenna International hedge asusu ne na "Asusun Hannun Jari na Amurka na Shekara" *na Mujallar Absolute Return* don girmama ribar da ta samu a shekara ta 82.25% wanda ya zarce takwarorinta na masana'antu. Kyautar ta dogara ne akan ribar da ta samu a shekaru 3 idan aka kwatanta da canjin yanayi tare da babban rabo na Sharpe. *Mujallar Absolute Return* ta kuma zaɓi asusun jari mai tsawo/gajere don "Asusun Hannun Jari na Shekara."  A shekara ta 2008, asusun ya ƙare a cikin manyan asusun jari 3. 

A shekarar 2008, mujallar Alpha ta sanya DiMenna a matsayi na 13 a jerin manyan masu samar da kuɗi, inda ta lura da ribar da ya samu ta dala miliyan 450 a shekarar 2007 da kuma ribar da ya samu ta shekara-shekara tsakanin 2002 da 2007. 

## Taimakon jama'a
Gidauniyar DiMenna tana tallafawa ƙungiyoyi a fannin fasaha, ilimi, da kuma waɗanda ke tallafawa ci gaban yara. Gidauniyar ta kasance babbar mai goyon bayan Yankin Yara na Harlem, Kwalejin Summit, Asibitin New York-Presbyterian da Gidauniyar Robin Hood . 

Gidan Tarihin Yara na DiMenna da ke Ƙungiyar Tarihi ta New-York yana ɗauke da sunansa don girmama gudummawar da ya bayar ta dala miliyan 5 a shekarar 2010. Gidan tarihin shine wuri na farko da yara za su iya koyo game da tarihi a ƙasar.  Shi amintacce ne na Cibiyar Tarihin Amurka ta Gilder Lehrman . 

Laburaren DiMenna-Nyselius da ke Jami'ar Fairfield suna ɗauke da sunansa don girmama gudummawar dala miliyan 5 da ya bayar a shekarar 1998 don tallafawa faɗaɗa ɗakin karatu. Cibiyar DiMenna don Kiɗan Gargajiya ta Orchestra ta St. Luke's tana ɗauke da sunansa don girmama gudummawar dala miliyan 5 da ya bayar a shekarar 2008 don ƙirƙirar sabuwar cibiyar albarkatu.

## Rayuwa ta sirri
Yana buga wasan polo kuma tsohon zakaran dara ne. DiMenna kwararren mai tattara zane ne wanda ke mai da hankali kan fasahar kabilun Afirka, bayyana ra'ayoyin jama'a, littattafai masu wuya, da takardun tarihi na Amurka. 

## Manazarta