Mark Lonergan

Mark Lon­er­gan is the Founder and Man­ag­ing Part­ner of Lon­er­gan Part­ners. He leads the firms Board Prac­tice, and spe­cial­izes in Board and CEO place­ments in tech­nol­o­gy com­pa­nies. His recent Board, CEO and senior exec­u­tive assign­ments include such clients as: MIPS, Groq, Super Micro, A10 Net­works, Infi­neon, Mod­el N and many oth­er tech­nol­o­gy companies.

I built Lonergan Partners to serve CEOs and their Boards with the same intense focus, urgency, and passion that built Silicon Valley

Since 1992, Mark has con­duct­ed over 500 tech­nol­o­gy com­pa­ny CEO, Board, and senior exec­u­tive assign­ments. He is cur­rent­ly Chair­man of the Board (and out­go­ing CEO) of the Sil­i­con Val­ley Direc­tors’ Exchange (for­mer­ly the SVNACD), work­ing with the Stan­ford Uni­ver­si­ty Rock Cen­ter for Cor­po­rate Gov­er­nance to edu­cate cor­po­rate boards in the Sil­i­con Valley.

Generative AI Clients

C3 Logo 300 black
MIPS logo
Dmatrix logo
Axiado Logo
Aira red logo
Ringcentral Logo

Professional History

Pri­or to found­ing Lon­er­gan Part­ners, Mark was the Man­ag­ing Part­ner for the Sil­i­con Val­ley offices of Hei­drick & Strug­gles, Inc. [NAS­DAQ: HSII]. Mark co-found­ed and lat­er man­aged Heidrick’s glob­al Telecom­mu­ni­ca­tions and Inter­net Prac­tice, com­posed of seventy‐​five exec­u­tive search teams glob­al­ly. Pri­or to his work with Hei­drick & Strug­gles, Mark was Vice Pres­i­dent, Sales & Mar­ket­ing, at ADC Telecom­mu­ni­ca­tions, a $2 Bil­lion pub­lic telecom­mu­ni­ca­tions equip­ment sup­pli­er, now part of Tyco Inter­na­tion­al. Ear­li­er, Mark spent ten years with Tym­net (now a sub­sidiary of British Tele­com) in posi­tions of increas­ing respon­si­bil­i­ty includ­ing Dis­trict Sales Man­ag­er, East­ern Region Sales Man­ag­er, and Direc­tor of Field Operations.


Mark has a Mas­ters Degree in Busi­ness Admin­is­tra­tion from The Kel­logg Grad­u­ate School of Man­age­ment at North­west­ern Uni­ver­si­ty. He is also a grad­u­ate of Van­der­bilt Uni­ver­si­ty with a degree in British His­to­ry, with Honors.

Mark's Recent Placements

Mark Lonergan

Founder & Managing Partner, Lonergan Partners

Specialties: Board & CEO placements


[email protected]

Mark Lonergan Portrait