Silda Alice Wall (born December 30, 1957) is an American businesswoman, lawyer, and the First Lady of New York State from January 2007 until March 2008.
 She has worked in the private, nonprofit, and public sectors in the areas of green/sustainability issues, youth service/education, and human rights and women's financial and other empowerment.
 Currently, she is director and principal at NewWorld Capital Group, a private equity firm investing in environmental and energy related products and services.
 She is also co-founder and CEO of woman-owned New York States of Mind LLC, a digital magazine and marketplace covering New York State.
Fatima Jibrell (Somali: "Fadumo Jibriil" ; Arabic: فاطمة جبريل‎ ‎ ; born December 30, 1947) is a Somali-American environmental activist.
 She was the co-founder and Executive Director of the Horn of Africa Relief and Development Organization (now Adeso), co-founder of Sun Fire Cooking, and was instrumental in the creation of the Women's Coalition for Peace.
Kevin Systrom (born December 30, 1983) is an American entrepreneur and programmer, best known as the co‑founder of Instagram along with Mike Krieger.
Karla Stephens-Tolstoy (born December 30, 1969) is the co-founder and CEO of Tokii, and the former CEO of Vodafone Czech Republic (formerly Oskar Mobil a.s.).
Caroline Calloway (born December 5, 1991 ) is an American Instagram personality.
 She is known for posting autobiographical stories on her Instagram account "@carolinecalloway".
Daniel Thomas Barry (born December 30, 1953) is an American engineer, scientist, and a retired NASA astronaut.
 He was a contestant on the CBS reality television program "", as well as on "BattleBots" on ABC.
 He was at Singularity University from 2009–2012, where he was co-chair of the Faculty of Artificial Intelligence and Robotics and the chair of the graduate summer program.
 He is also a co-founder of Fellow Robots, a telepresence robotics company, and the founder and president of Denbar Robotics.
Giorgi Kvirikashvili (Georgian: გიორგი კვირიკაშვილი ; born July 20, 1967) is a Georgian politician who is Prime Minister of Georgia since December 30, 2015.
 Prior to that he was Minister of Economy and Sustainable Development from October 25, 2012 until September 1, 2015, Minister of Foreign Affairs from September 1, 2015 until December 30, 2015, and Vice Prime Minister from July 26, 2013 until December 30, 2015.
 Kvirikashvili has led initiatives to advance Euro-Atlantic and European integration and highlight Georgia as an attractive location for foreign investment.
Richard Peter Davis (born December 30, 1957 in Chicago, Illinois, United States) is an American guitarist and bandleader who is Chicago-based.
 He is the son of the late Nathan Davis of feature film and television fame and a co-founder/current member of the rhythm and blues band known as the Chicago Catz.
Fleetwood Mac Live is a world tour by the rock group Fleetwood Mac that began on April 4, 2013 in Columbus, Ohio.
 66 shows are scheduled across 14 countries in North America and Europe.
 The April 18, 2013 stop in Boston, Massachusetts was one of the first major performances given in the city following the Boston Marathon bombings three days earlier.
 This tour has also marked the first appearance of Christine McVie with the band since 1998.
 She appeared at the last two London O2 Arena shows.
 On October 27, the band announced that John McVie had been diagnosed with cancer, and that they were cancelling their New Zealand and Australian performances in order for him to undergo treatment.
 On November 22, 2013 Christine McVie stated she would love to rejoin Fleetwood Mac and that John McVie's Progress was really good.
 On November 26, 2013 @officialfleetwood mac (Via Instagram) and FleetwoodMac.com announced that Fleetwood Mac is playing 3 last shows for their "Extended Play" tour.
 Fleetwood Mac said they would do one public show and two private shows.
 The last public show was played on December 30, and the two privates shows were performed from December 31-January 1 and January 8.
 At midnight on January 1 Fleetwood Mac performed "Auid Lang Syne" to their private audience.
Instagram is a mobile, desktop, and Internet-based photo-sharing application and service that allows users to share pictures and videos either publicly or privately.
 It was created by Kevin Systrom and Mike Krieger, and launched in October 2010 as a free mobile app exclusively for the iOS operating system.
 A version for Android devices was released two years later, in April 2012, followed by a feature-limited website interface in November 2012, and apps for Windows 10 Mobile and Windows 10 in April 2016 and October 2016 respectively.

Question: Which co-founder of Instagram was born December 30, 1983?
Answer: Kevin Systrom