미국 인디애나 주립대학원에서 전액장학생으로 Jaime Laredo 교수에게 사사, 독일 칼스루헤 국립음악대학교 및 대학원을 최고과정까지 Ulf Hoelscher 교수와 함께했다. 독일 총 연방 청소년콩쿠르 두 차례의 1등, 루마니아의 Remember Enescu 국제콩쿠르 2등과 4개의특별상 외 많은 국제 대회에 입상하였으며 2007년에는 독일 라인팔츠주를 이끌어 갈 연주가로 뽑히기도 했다. 독일 정부로부터 2003년부터 2014까지 국보급 바이올린 페트루스 과르네리를 (Venedig 1735년) 12년간 무상으로 대여 받아오다 2014년부터 1735 산 페트루스 과르네리를 평생 사용할 수 있는 기회를 얻게 되었다.

14세에 Mainz 시립 챔버 오케스트라와 유럽순회 연주로 데뷔 이후 연 150회 이상의 국제무대를 종횡무진하고 있는 박지혜는 Baden-Baden 필하모니를 비롯한 독일의 유수 오케스트라들과 협연을 하고 워싱턴 케네디 센터, 뉴욕 카네기홀에서의 독주회를 비롯하여, 2012년 디즈니 콘서트홀에서 LA 심포니, 상해 콘서트홀에서 상해필하모닉 오케스트라, 서울시립교향악단의 최대 야외무대인 강변음악회 외 유니버설 뮤직의 ‘피크닉 클래식인 서울’등에서 성공적인 무대를 선사한 바 있다.

클래식 청중뿐만 아니라 나이, 국적, 장르를 뛰어넘으며 바이올린으로 강력한 메시지를 전달하며 자신만의 색을 창조해 내고 있는 그는 2013년에는 세계적인 강연 컨퍼런스인‘TED 2013’에 한국대표로 참석하여 연주 및 강연을 통해 참석자 전원의 기립박수를, 그리고 이 영상은 TED의 탁월한 네트워크를 통해 지금도 세계적으로 큰 호응을 이끌어내고 있다.

2014 열린 FMX에서 첼리스트 요요마의 바통을 넘겨받아 매인 아티스트로 초청된 기자회견에서 60여개의 매인스트림이 취재경쟁을 벌이며 그녀의 장르를 뛰어넘는 연주가 열광적 관심과 사랑을 받고 있음을 입증한바 있다.

대중을 압도하는 아우라로 한국에서도 많은 방송을 통해 화재가 되었는데 “KBS 강연100도씨”, “클래식 오디세이”, “SBS의놀라운 대회 스타킹”, “KBS 클래식 오디세이”, “SBS 컬쳐클럽”, “MBC 문화산책”등의 출연 분은 거의 매번 각 프로그램 편성 최고시청률과 메이져 포털 사이트에서 실시간 검색1위을 랭크하였다.

그리고 같은 해 블랙데카(BLACK DECCA) 레이블로 유니버셜 뮤직 코리아에서 발매한 ‘바로크 인 락’은 골드디스크를 달성한데이어 2015 2월 유니버설뮤직 2집 클라식 앨범 베토벤 슈베르트 브람스, 타이틀로 레이블 DECCA 를 달고 발매되었다. 14살, 독일에서 녹음한 첫 클래식 앨범 이후 9개의 CD와 2개의 DVD를 녹음하였고 바이올린으로 대중과 소통하길 바라며 지금도 그녀만의 음악을 편곡하고 있다. 2015 중앙음악 콩쿠르 심사위원을 역임했던 그는 활발한 연주활동 외에도 UNESCO 한국위원회, 여수시 2012 세계박람회 홍보대사와 G20 국가홍보정책 자문위원단을 청와대로부터 임명받아 선한 영향력에 앞장서고 있으며 2015년 바르셀로나와 이태리 음악 페스티벌과 마스터클래스 교수진으로, 이태리 말타 국제콩쿨 부심사위원장으로 또 다른 모습을 보여줄 예정이다.

The 3030 seats were sold out before the concert. Ji-Hae reported afterwards that it had been just huge fun and also challenge for her. She played the core classical pieces like Beethoven and Saint-Saens in the first half of the concert. Then in the second half, she transformed to a rocker performing the Vivaldi's Four season, Haendel's Sarabande and Pachelbel's Canon in rock style. This type of concert was not the first one forJi-Hae. She made 6 all sold out mega size solo concerts with this program last year already. These were the first official live performances with 12 complete movements of Four Season with 5 men rock band in the world. Now she is heading to China and North Amerca tour after having successful start at the Sejong Art Center.

The idea bringing this mega size concert tour to the reality with that much extremely opposite concepts in the first and second half in one concert came from the big success of recieving double Gold Discs of Ji-Hae's Black DECCA labeled albums in a row: a solo classical CD recorded in England by Universal Music (DECCA label) and the other one titled Baroque in Rock with same label(2013). Ji-Hae has been the honorary ambassador of the Korean National Commission for UNESCO since 2015. Not only as a musician, but also as a speaker representing Korea, she was invited to the main TED Conference held in the USA in 2013 and received a standing ovation from all conference participants. Her next stop is Malta, south from Italy, where she is invited as the vice president of the Jury for the Malta International Music Competition. Since 2009 she has given solo recitals in Seoul every year in front of audiences of 25,000, performing on her fine historical violin, known as the “Petrus Guarnerius 1735, Venedig”.

The violin is one of the most fine violin together with the Stradivarius which was on loan by the German Foundation (Deutsche-Stiftung-Musikleben) 2003-2014 and now another Guarneri 1735 for her life time thank to big support of an anonymous sponsor. Following her successful New York debut at Carnegie Hall New York Concert Review reported: “Her stage persona is extremely charismatic and emotional, and she was able to bring out all the stylistic and dynamic contrasts of her varied composers.” She has also enjoyed great success with her performances at Washington’s Kennedy Center and the Walt Disney Concert Hall in Los Angeles, at the Rokoko Theater in Germany, and with orchestras including the Los Angeles Philharmonic, Seoul Philharmonic, Shanghai Philharmonic, KBS Symphony and Baden-Baden Philharmonic. She is frequently invited to appear as a soloist at national events within Korea, many of which have been broadcast on nationwide television.

Since making her European solo debut with the Mainz Chamber Orchestra, when she was just 14 years old, she currently gives over 150 concerts a year. On a recent tour of North and South America she was invited to appear as the headline artist at FMX, one of the US’s ten biggest music festivals, in a slot filled by cellist Yo-Yo Ma the previous year.

At the press conference in form of guerilla concert, competed 60 main stream to report her appearance. In addition to giving many solo recitals and orchestral concerts throughout the world, Ji-Hae also performs in churches, prisons, hospitals and leprosy clinics, hoping to touch and heal those suffering from broken hearts, and to inspire all kinds of people, not just existing classical music-lovers.

For her extraordinary activity and influence, Ji-Hae was awarded the Grand Prize of “Most Respected Korean 2010”, so becoming the youngest ever winner of a distinction given to those Koreans who have shown great leadership and influence in encouraging national development and integration for the benefit of the nation and very recently she was awarded with "Korea Art and Culture Grand Prix" in Seoul. She was also appointed as a consultant to the National G20 Policy Committee by the Korean Presidential Office. Apart from the UNESCO, she is Honorary Ambassador for the Yeosu 2012 World Expo, as well as for the World WIKE City Federation, Africa Future Foundation and Korean National Commission and A+Asset.

Notable television appearances include the popular SBS TV show Star King (four times), the KBS TV show Lecture 100° C and Classic Odyssey, scoring top ratings and ranking at first place in real-time website searches. Since her first solo recording in Germany, as a 14-year-old violinist, she has recorded nine CDs and two DVDs, revealing the breadth and depth ofher musical experience in many genres from classical to rock, and from traditional Korean folk tunes to gospel. Ji-Hae arranges all of the colorful elements on each of her CDs, and enjoys experimenting with and modifying new musical selections in order to make the classical violin more accessible to audiences of all kinds.

She twice won First Prize in Germany’s national youth music competition “Jugend musiziert”: for solo performance in 2001 and chamber music in 2002. In 2003 she won Second Prize (and three additional special prizes) at the Remember Enescu International Violin Competition in Romania. She has also won awards at the Kloster Sch ntal, J rgen Sellheim and Johann Georg Pisendel competitions in Germany, the Brahms International Competition in Austria and the Andrea Postacchini International Competition in Italy, as well as the Pinchas Zuckerman Award for outstanding talent and potential, and a ZIRP Fellowship from the Rheinland-Pfalz Cultural Initiative. She was recently invited to sit on the jury both for the most hardest music competition and International Competition in Malta.

Currently, she runs the campaign to introduce the Korean traditional melodies by playing and recording them arranged for the violin wishing for Korea`s peaceful unification.