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The 2015 Trading Technology 40: John Mackay (Mack) Gill

#24 John Mackay (Mack) Gill, Chief Executive Officer, MillenniumIT

24
John Mackay
(Mack) Gill
Chief Executive Officer
MillenniumIT

MillenniumIT, an exchange systems company formed in Sri Lanka in 1996 and acquired by London Stock Exchange Group in 2009, built its reputation on what was touted as the world’s fastest trading platform. John Mackay (Mack) Gill, the former SunGard Data Systems executive who was named MillenniumIT’s chief executive in May 2013, concedes that “speed is not much of a differentiator these days. What’s important now is resilience and uptime.” Still, high frequency trading loomed large in the formation of Aequitas Innovations and in that organization’s choice last year of MillenniumIT’s technology for the soon-to-launch Aequitas NEO Exchange in Canada. Backed by Barclays, ITG Canada Corp., RBC Capital Markets and other financial institutions, Aequitas seeks to be an HFT corrective in terms of transparency and fairness for issuers and long-term investors. “We’ve worked for clients in different parts of the trading cycle, but doing it from scratch with a new exchange is cool,” Gill says. It is “not a simplistic anti-HFT thing”; Aequitas’s focus on optimizing “latency impact” to ensure a level playing field made MillenniumIT a natural partner, the 45-year-old adds. He points to Aequitas as proof of MillenniumIT’s ability to go global, building on its longtime strength in Asia and Europe. It also underscores the company’s full range of trading and clearing capabilities. “The posttrade environment is going to look and feel more like a trading environment,” predicts Gill, who oversaw the deal to replace Singapore Exchange’s posttrade infrastructure in late 2013. “Having a reputation for efficient real-time execution in trading will help us as we expand our posttrade offering,” Gill says.

The 2015 Trading Technology 40

1
2
3
4
5
Kevin Kometer
CME Group
Richard Prager
BlackRock
Raymond Tierney III
Bloomberg Tradebook
Jonathan Ross
KCG Holdings
Charles Vice
Intercontinental Exchange
6
7
8
9
10
Chris Isaacson
BATS Global Markets
Bradley Peterson
Nasdaq OMX Group
Brad Levy
MarkitSERV
Dan Keegan
Citi
Ronald DePoalo
Fidelity Institutional
11
12
13
14
15
Gerard Beatty
Goldman Sachs Group
Gerald O'Connell
CBOE Holdings
Brenda Hoffman
TMX Group
Billy Hult
Tradeweb Markets
Nicholas Themelis
MarketAxess Holdings
16
17
18
19
20
Bina Kalola
Bank of America Merrill Lynch
Gil Mandelzis
EBS-BrokerTec (ICAP)
Steven Randich
Financial Industry Regulatory Authority
Jerry Dobner
GFI Group
Michael Liberman
BlueMountain Capital Management
21
22
23
24
25
Bill Chow and Richard Leung
Hong Kong Exchanges and Clearing
Jamie Selway
Investment Technology Group
Brad Katsuyama
IEX Group
John Mackay (Mack) Gill
MillenniumIT
Jamil Nazarali
Citadel Execution Services
26
27
28
29
30
Robert Cornish
International Securities Exchange
Tyler Moeller andJoshua Walksy
Broadway Technology
Rishi Nangalia
REDI Holdings
Manoj Narang
Tradeworx,
Thesys Technologies
Oki Matsumoto
Monex Group
31
32
33
34
35
Alasdair Haynes
Aquis Exchange
Veronica Augustsson
Cinnober Financial Technology
Stu Taylor
Algomi
Luís Otávio Saliba Furtado
BM&FBovespa
Tal Cohen
Chi-X Global Holdings
36
37
38
39
40
Donal Byrne
Corvil
R. Cromwell Coulson
OTC Markets Group
Alfred Eskandar
Portware
Richard Korhammer
SR Labs
Hazem Dawani
OptionsCity Software


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