<Table> <Tr> <Th> Name </Th> <Th> Actor / Actress </Th> <Th> Season ( s ) </Th> <Th> Episode count </Th> </Tr> <Tr> <Td> Dr. Virginia Dixon </Td> <Td> Mary McDonnell </Td> <Td> 5 </Td> <Td> </Td> </Tr> <Tr> <Td colspan="5"> An exceptional cardiothoracic surgeon who has Asperger syndrome , Dr. Dixon served as the interim Head of Cardiothoracic Surgery . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Rebecca Swender </Td> <Td> Kimberly Elise </Td> <Td> 5 </Td> <Td> </Td> </Tr> <Tr> <Td colspan="5"> A surgical oncology attending assigned to oversee Izzie Stevens ' cancer treatment , Dr. Swender is said to be the best surgical oncologist in the state of Washington . She is a proponent for IL - 2 - use as treatment for cancer , citing its success when a patient , initially given only three months to live , uses the therapy and survives an additional two years . The patient , however , succumbs to complications from the inherent nature of the IL - 2 , which affects Swender 's otherwise authoritarian and impartial persona , and casts doubt on this treatment - protocol . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Margaret Campbell </Td> <Td> Faye Dunaway </Td> <Td> 5 </Td> <Td> </Td> </Tr> <Tr> <Td colspan="5"> A general surgery attending , Dr. Campbell is Seattle Grace 's first female surgeon . With 40 years of surgical experience , she is considered a pioneer and one of the hospital 's most respected surgeons . Richard Webber may have been taught by her , which is implied when she recalls an incident involving a clamp dropped into an open body cavity . She has worked with Ellis Grey . Cristina Yang has been vocal about her objections and criticisms of Dr. Campbell 's continued long - standing service . Due to a complication caused by a lacerated bowel during a routine cholecystectomy , Dr. Campbell retires after performing her last surgery to repair the `` careless mistake . '' </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Robert Stark </Td> <Td> Peter MacNicol </Td> <Td> 7 </Td> <Td> 7 </Td> </Tr> <Tr> <Td colspan="5"> An incompetent pediatric surgery attending , Dr. Stark is brought in as the interim Chief of Pediatric Surgery when Arizona Robbins gives her notice to oversee a pediatric surgery program in Malawi , Africa . Under contract for a year , Dr. Stark continues to serve as the department chief when Robbins returns . Described as a lazy doctor and a complacent and self - satisfied attending , he represents the antithesis of attending surgeons commonly employed at Seattle Grace / Mercy West Hospital . Dr. Stark has an antagonistic disposition with most of the hospital staff , especially Alex Karev. April Kepner is the only exception to his behavior . He later attempts to date her , with little success . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Lucy Fields </Td> <Td> Rachael Taylor </Td> <Td> 7 </Td> <Td> 8 </Td> </Tr> <Tr> <Td colspan="5"> An OB / GYN attending and maternal - fetal medicine fellow at Seattle Grace Mercy West , Dr. Fields is self - proclaimed `` damn good at her job . '' She attended Harvard Medical School and completed her OB / GYN residency at Duke University Medical Center . Dr. Fields is Callie Torres ' obstetrician and shows that she is equal parts tough , ironic , and empathetic , especially when dealing with Torres and her support team : Mark Sloan and Arizona Robbins . She seems to have a slight crush on Alex Karev , and they begin to form a relationship . Dr. Addison Montgomery returns and is told that she is not able to deal with traumatic pregnancy cases ( such as a pregnant Callie involved in a car accident ) . Alex Karev breaks off his relationship with Dr. Fields in the Season 7 finale , and she goes off to treat children in Africa . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Nicole Herman </Td> <Td> Geena Davis </Td> <Td> 11 </Td> <Td> 8 </Td> </Tr> <Tr> <Td colspan="5"> Nicole Herman was the Head of Fetal Surgery at Grey Sloan Memorial Hospital. Arizona worked with her as a fellow . It was revealed that she has an inoperable brain tumor and only has 6 months left . She wanted to use this period of time to teach Arizona about Fetal Surgery since it is a new field . When Amelia informed her that she believed she could remove the tumor , Herman initially rejected the idea , because she 'd been given hope many times before and then had it taken away . Amelia operated and
<Table> <Tr> <Th> Name </Th> <Th> Actor / Actress </Th> <Th> Season ( s ) </Th> <Th> Episode count </Th> </Tr> <Tr> <Td> Dr. Virginia Dixon </Td> <Td> Mary McDonnell </Td> <Td> 5 </Td> <Td> </Td> </Tr> <Tr> <Td colspan="5"> An exceptional cardiothoracic surgeon who has Asperger syndrome , Dr. Dixon served as the interim Head of Cardiothoracic Surgery . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Rebecca Swender </Td> <Td> Kimberly Elise </Td> <Td> 5 </Td> <Td> </Td> </Tr> <Tr> <Td colspan="5"> A surgical oncology attending assigned to oversee Izzie Stevens ' cancer treatment , Dr. Swender is said to be the best surgical oncologist in the state of Washington . She is a proponent for IL - 2 - use as treatment for cancer , citing its success when a patient , initially given only three months to live , uses the therapy and survives an additional two years . The patient , however , succumbs to complications from the inherent nature of the IL - 2 , which affects Swender 's otherwise authoritarian and impartial persona , and casts doubt on this treatment - protocol . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Margaret Campbell </Td> <Td> Faye Dunaway </Td> <Td> 5 </Td> <Td> </Td> </Tr> <Tr> <Td colspan="5"> A general surgery attending , Dr. Campbell is Seattle Grace 's first female surgeon . With 40 years of surgical experience , she is considered a pioneer and one of the hospital 's most respected surgeons . Richard Webber may have been taught by her , which is implied when she recalls an incident involving a clamp dropped into an open body cavity . She has worked with Ellis Grey . Cristina Yang has been vocal about her objections and criticisms of Dr. Campbell 's continued long - standing service . Due to a complication caused by a lacerated bowel during a routine cholecystectomy , Dr. Campbell retires after performing her last surgery to repair the `` careless mistake . '' </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Robert Stark </Td> <Td> Peter MacNicol </Td> <Td> 7 </Td> <Td> 7 </Td> </Tr> <Tr> <Td colspan="5"> An incompetent pediatric surgery attending , Dr. Stark is brought in as the interim Chief of Pediatric Surgery when Arizona Robbins gives her notice to oversee a pediatric surgery program in Malawi , Africa . Under contract for a year , Dr. Stark continues to serve as the department chief when Robbins returns . Described as a lazy doctor and a complacent and self - satisfied attending , he represents the antithesis of attending surgeons commonly employed at Seattle Grace / Mercy West Hospital . Dr. Stark has an antagonistic disposition with most of the hospital staff , especially Alex Karev. April Kepner is the only exception to his behavior . He later attempts to date her , with little success . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Lucy Fields </Td> <Td> Rachael Taylor </Td> <Td> 7 </Td> <Td> 8 </Td> </Tr> <Tr> <Td colspan="5"> An OB / GYN attending and maternal - fetal medicine fellow at Seattle Grace Mercy West , Dr. Fields is self - proclaimed `` damn good at her job . '' She attended Harvard Medical School and completed her OB / GYN residency at Duke University Medical Center . Dr. Fields is Callie Torres ' obstetrician and shows that she is equal parts tough , ironic , and empathetic , especially when dealing with Torres and her support team : Mark Sloan and Arizona Robbins . She seems to have a slight crush on Alex Karev , and they begin to form a relationship . Dr. Addison Montgomery returns and is told that she is not able to deal with traumatic pregnancy cases ( such as a pregnant Callie involved in a car accident ) . Alex Karev breaks off his relationship with Dr. Fields in the Season 7 finale , and she goes off to treat children in Africa . </Td> </Tr> <Tr> <Td colspan="5"> </Td> </Tr> <Tr> <Td> Dr. Nicole Herman </Td> <Td> Geena Davis </Td> <Td> 11 </Td> <Td> 8 </Td> </Tr> <Tr> <Td colspan="5"> Nicole Herman was the Head of Fetal Surgery at Grey Sloan Memorial Hospital. Arizona worked with her as a fellow . It was revealed that she has an inoperable brain tumor and only has 6 months left . She wanted to use this period of time to teach Arizona about Fetal Surgery since it is a new field . When Amelia informed her that she believed she could remove the tumor , Herman initially rejected the idea , because she 'd been given hope many times before and then had it taken away . Amelia operated and
who becomes head of cardio in grey 's
who becomes head of cardio in grey 's
Dr. Virginia Dixon
Dr. Virginia Dixon