While studying Law at Adelaide University and the University of New South Wales, Mark Holden made his name in the mid 1970s as the good-looking carnation-carrying pop star who sang hits like 'Never Gonna Fall In Love Again' and 'Last Romance'.

Mark was signed by EMI Australia, for whom he went on to record three albums.

He won three Logies and performed for HRH The Prince of Wales at the Sydney Opera House. He hosted the infamous 'Silver Jubilee Countdown' amongst many other Countdown appearances and hostings.

Relocating to Los Angeles in 1980 and as a songwriter, he had two Top Ten hits with the Temptations on Motown – ‘Lady Soul’ which is included on the 'Motown Greatest Hits 1972-92 Hitsville USA' CD Compilation and ‘Look What You Started’ which features on the definitive Tempations compilation 'The Emperors Of Soul' .

He also developed and produced artists including Calvin Klein model and film star Milla Jovovich ('Chaplin', 'Dazed and Confused', 'The 5th Element'), for EMI Records Group, New York. This led to her debut album; a US Top Ten Post Modern hit, it won critical raves including a 3 star review in Rolling Stone magazine.

In 1999, Mark performed his show 100 Years of Australian Music at the School Of Arts Café in Queanbeyan. It was also 1999 that saw the launch of his production, publishing and management company Marjac Productions, with his partner Jack Strom from ‘Red Faces’ on 'Hey, Hey It’s Saturday'.

Marjac Productions with Transistor Music Australia and Universal Music International launched Vanessa Amorosi onto the Australian and international stage with ARIA’s #4 album of the year 2000 – 'The Power' – and four hit singles in Australia.

‘Absolutely Everybody’ has been #7 in the UK, #2 in Ireland, Top Five Germany (Gold), Austria (Gold) and Switzerland; and Top Ten in many other European and Asian countries. Vanessa's album 'The Power' was gold in GSA with 4 hit singles.

In 2001 he finally completed his law degree at Monash University and received an LLB.

In 2000 MarJac Productions signed with Sony Australia to consult for the Delta Goodrem project which reached #1 in Australia and Top 5 UK. Meanwhile , his songs continued to be recorded by Vanessa Amorosi , Nikki Webster , Delta Goodrem and Sophie Monk .

In 2003, Mark was once again a household name, this time as a judge for 5 series on the record-breaking 'Australian Idol' television show, which was the Ten Network's highest rating show ever. Mark executive-produced the 'Final 12' cast CD for Australian Idol which went double platinum and included the #1 song 'Rise Up' which he co-wrote with Vanessa Amorosi.

He also began performing again; on 'The Pane'l in duet with Marcia Hines and acoustically in the show 'Idol and Idle' with his long time friend Ross Ryan. In Feb 2004 Mark performed with Marcia Hines at Twin Towns Resort. In 2003 he also took on the guest starring role of Dr. Adam Gilmour on the ABC TV series of 'MDA', as well as a cameo appearance on 'Kath & Kim'.

In 2004 Mark established Dream Dealers, his own Management, Music Publishing and Record Company. Dream Dealers immediately achieved success with first signing, Joel Turner and the Modern Day Poets. The first single “These Kids” reached #1 on the Aria charts, staying in the top ten for over three months in which time it achieved double platinum status.

In 2006 Mark divested his interest in his management company to concentrate on other areas of the recording and television industries. In 2007 he has appeared in cameo acting roles on NBC's 'The Starter Wife' with Debra Messing and as an Immigration Detention Officer on SBS's Fat Pizza .

Throughout 2007/8 Mark has been regularly appearing at corporate functions as an MC including for Macquarie Bank, Make-A-Wish Foundation, Foundation 49 and the Adelaide Crows. Mark also gives talks about transitions from career to career in different stages of life. He garnered critical acclaim starring as Lee Gordon in Shout The Musical.