Data Conference Databasea Query.Farm index

Most miles between talks

Bruce Momjian covered 149,109 miles between 42 in-person events. Great-circle distance from each in-person event a speaker spoke at to the next, in date order, 2019 onward.

Top 20 by total miles

Sum of the distances between consecutive in-person events. Hover a bar for the longest single trip.

Bruce Momjian149,109 miJoe Reis129,550 miBob Ward127,717 miCheuk Ting Ho126,664 miJack Gidding115,650 miGrant Fritchey106,507 miRussell Keith-Magee102,860 miJim Mlodgenski97,695 miSeth Friedman96,394 miPavlo Golub96,219 miJames Corcoran87,546 miRyan Booz83,149 miMatt Gordon79,903 miPeter Zaitsev78,672 miClaire Giordano76,460 miFranck Pachot74,824 miMagnus Hagander71,781 miFrank Geisler67,803 miThomas Munro66,849 miPablo Galindo Salgado66,507 mi
Bruce Momjian149,109 miJoe Reis129,550 miBob Ward127,717 miCheuk Ting Ho126,664 miJack Gidding115,650 miGrant Fritchey106,507 miRussell Keith-Magee102,860 miJim Mlodgenski97,695 miSeth Friedman96,394 miPavlo Golub96,219 miJames Corcoran87,546 miRyan Booz83,149 miMatt Gordon79,903 miPeter Zaitsev78,672 miClaire Giordano76,460 miFranck Pachot74,824 miMagnus Hagander71,781 miFrank Geisler67,803 miThomas Munro66,849 miPablo Galindo Salg…66,507 mi

Tightest long-haul turnarounds

Hops of 1,000+ miles ranked by miles per day between the end of one event and the start of the next. Each speaker's tightest hop only; speakers who made the same hop are grouped.

FromToMilesDays betweenMiles / daySpeakers
SciPy 2023
Austin, United States
EuroPython 2023
Prague, Czechia
5,51215,512Cheuk Ting Ho, Gajendra Deshpande, Valerio Maggio
SciPy 2025
Tacoma, United States
EuroPython 2025
Prague, Czechia
5,23715,237Ruben Arts
SQLBits 2023
Newport, United Kingdom
Visual Studio Live! Las Vegas 2023
Las Vegas, United States
5,12215,122Bob Ward, Leonard Lobel
Forward Data Conference 2026
Paris, France
7th Annual MLOps World | GenAI Summit 2026
Austin, United States
5,09515,095Joe Reis
PyData Amsterdam 2023
Amsterdam, Netherlands
posit::conf(2023)
Chicago, United States
4,10814,108Hannes Mühleisen
DataHack Summit 2019
Bengaluru, India
ACML 2019
Nagoya, Japan
3,98013,980Prateek Jain
PyCon AU 2025
Melbourne, Australia
PyCon UK 2025
Manchester, United Kingdom
10,54433,515Russell Keith-Magee
Flink Forward Asia 2024 Shanghai
Shanghai, China
AWS re:Invent 2024
Las Vegas, United States
6,51223,256Wei Chen
PyData Amsterdam 2026
Amsterdam, Netherlands
posit::conf(2026)
Houston, United States
5,01722,509Jeroen Janssens
Data AI Weekend 2026 (Austin)
Austin, United States
Data Decoded MCR 2026
Manchester, United Kingdom
4,77922,390Ryan Boyd
PyCon Ireland 2024
Dublin, Ireland
PyCon AU 2024
Melbourne, Australia
10,70052,140David Andersson
Postgres Conference 2026
San Jose, United States
HOW2026: PostgreSQL & IvorySQL Ecosystem Conference
Jinan, China
6,08932,030Robert Treat

Top 100 of 5,077 speakers with 3+ located in-person events.

#SpeakerMilesEventsPer tripCountriesQuick turnsSpeaks mostly inTightest turnaround
1Bruce Momjian
EDB
149,109423,637176United States5,028 mi in 4 days: PGConf.DE 2026 → HOW2026: PostgreSQL & IvorySQL Ecosystem Conference
2Joe Reis
Reis Megacorp; Nerd Herd
129,550304,46778Australia5,095 mi in 1 day: Forward Data Conference 2026 → 7th Annual MLOps World | GenAI Summit 2026
3Bob Ward
Microsoft
127,717403,27562United States5,122 mi in 1 day: SQLBits 2023 → Visual Studio Live! Las Vegas 2023
4Cheuk Ting Ho
JetBrains; TerminusDB
126,664433,016174United Kingdom5,512 mi in 1 day: SciPy 2023 → EuroPython 2023
5Jack Gidding
STAC
115,650235,25761United States4,863 mi in 7 days: STAC Summit Sydney, Fall 2025 → STAC Summit Tokyo, Fall 2025
6Grant Fritchey
Redgate
106,507353,133101United States5,159 mi in 7 days: PGDay/MED 2023 → PGDay Chicago 2023
7Russell Keith-Magee
Anaconda; BeeWare Project
102,860157,34761Australia10,544 mi in 3 days: PyCon AU 2025 → PyCon UK 2025
8Jim Mlodgenski
Amazon Web Services
97,695185,7473—United States9,243 mi in 11 days: PGConf India 2025 → Postgres Conference 2025
9Seth Friedman
Liquid-Markets
96,394224,5904—United States6,745 mi in 21 days: STAC Summit Singapore, Spring 2025 → STAC Summit London, Spring 2025
10Pavlo Golub
CYBERTEC
96,219392,532172United States1,186 mi in 2 days: Nordic PGDay 2026 → pgDay Paris 2026
11James Corcoran
STAC
87,546194,86462United States4,863 mi in 5 days: STAC Summit Sydney, Fall 2026 → STAC Summit Tokyo, Fall 2026
12Ryan Booz
Redgate; pganalyze
83,149283,080112United States6,164 mi in 10 days: PGConf.EU 2024 (14th PostgreSQL Conference Europe) → PASS Data Community Summit 2024
13Matt Gordon
Centric Consulting; Lean TECHniques
79,903322,57851United States4,939 mi in 6 days: SQLSaturday Nashville #933 → SQLSaturday Vienna #917
14Peter Zaitsev
Percona; Percona, Coroot, FerretDB
78,672243,4217—United States9,243 mi in 11 days: PGConf India 2025 → Postgres Conference 2025
15Claire Giordano
Microsoft
76,460253,18613—United States4,925 mi in 20 days: PGConf NYC 2024 → PGConf.EU 2024 (14th PostgreSQL Conference Europe)
16Franck Pachot
MongoDB; Yugabyte
74,824262,993101Belgium5,652 mi in 14 days: Data Council 2025 → PGConf.DE 2025
17Magnus Hagander
Redpill Linpro
71,781282,65914—United States4,925 mi in 20 days: PGConf NYC 2024 → PGConf.EU 2024 (14th PostgreSQL Conference Europe)
18Frank Geisler
GDS Business Intelligence GmbH
67,803213,3905—United States4,608 mi in 12 days: SQL Konferenz 2026 → FABCON & SQLCON 2026 (Microsoft Fabric Community Conference + SQLCON), Atlanta
19Thomas Munro
EDB; Microsoft
66,849116,6855—Canada10,405 mi in 105 days: PG Down Under 2025 → FOSDEM PGDay 2026
20Pablo Galindo Salgado
Bloomberg; Python Software Foundation
66,507164,4347—United States5,607 mi in 41 days: EuroPython 2023 → PyCon TW 2023
21Aaron Foo
FMAD Engineering; FMADIO
64,814125,89251United States4,863 mi in 5 days: STAC Summit Sydney, Fall 2026 → STAC Summit Tokyo, Fall 2026
22Robert Haas
EDB; Databricks
63,101193,5069—Canada4,925 mi in 20 days: PGConf NYC 2024 → PGConf.EU 2024 (14th PostgreSQL Conference Europe)
23Alastair Richardson
Xilinx; AMD
62,873116,28761United Kingdom4,863 mi in 5 days: STAC Summit Sydney, Fall 2026 → STAC Summit Tokyo, Fall 2026
24Hannes Mühleisen
DuckDB Labs; CWI
62,616262,50571United States4,108 mi in 1 day: PyData Amsterdam 2023 → posit::conf(2023)
25Patrick LeBlanc
Microsoft
61,602193,4225—United States4,608 mi in 12 days: SQL Konferenz 2027 → FABCON & SQLCON 2027 (Microsoft Fabric Community Conference + SQLCON), Atlanta
26David Snowdon
Arista; Timebeat
59,935173,7465—United States3,950 mi in 14 days: STAC Summit London, Spring 2023 → STAC Summit Chicago, Spring 2023
27Pat Wright
Red Gate Software; Redgate
59,027173,68961United States4,329 mi in 5 days: PG DATA 2026 → PASS Summit Europe (Frankfurt) 2026
28Stefanie Molin
Bloomberg
58,828154,20210—Italy5,762 mi in 13 days: PyCon Italia 2024 → PyCon Colombia 2024
29Robert Treat
Amazon Web Services; pgtreats.info
56,186212,809123United States6,089 mi in 3 days: Postgres Conference 2026 → HOW2026: PostgreSQL & IvorySQL Ecosystem Conference
30Alexander Kukushkin
Zalando; Microsoft
56,016232,54615—Germany4,648 mi in 11 days: PGConf India 2024 → Nordic PGDay 2024
31Christian Kleinerman
Snowflake
55,189144,24531United States9,242 mi in 21 days: Snowflake Summit World Tour Chicago 2019 → Snowflake Summit World Tour Sydney 2019
32Andreas Scherbaum
Adjust GmbH; Andreas Scherbaum IT-Services
54,431193,024122United States5,664 mi in 4 days: PGDay Israel 2019 → Postgres Conference 2019 (PostgresConf US 2019)
33Leonard Lobel
Sleek Technologies, Inc
54,280311,80921United States5,122 mi in 1 day: SQLBits 2023 → Visual Studio Live! Las Vegas 2023
34Łukasz Langa
Python Software Foundation
53,558134,4637—United States5,374 mi in 23 days: PyCon US 2022 → PyCon Lithuania 2022
35Laurent de Barry
Exegy; Enyx
53,486202,8153—United States8,053 mi in 23 days: STAC Summit Hong Kong, Fall 2019 → STAC Summit New York, Fall 2019
36James Powell
Don't Use This Code
53,302192,96172United States4,140 mi in 4 days: PyCon India 2024 → PyCon JP 2024
37David Meyer
Databricks
52,786115,2796—France10,559 mi in 28 days: Data + AI World Tour Sydney 2023 → Data + AI World Tour London 2023
38Andrey Borodin
Yandex Cloud; Amazon Web Services
52,159153,7266—Canada746 mi in 2 days: PGDay Israel 2024 → PGConf.EU 2024 (14th PostgreSQL Conference Europe)
39Cliff Maddox
NovaSparks; Exegy
51,899212,5953—United States3,950 mi in 9 days: STAC Summit Chicago, Fall 2023 → STAC Summit London, Fall 2023
40Reuven M. Lerner
Lerner Consulting; Reuven Lerner — Python training
51,884134,3246—United States4,326 mi in 46 days: PyCon US 2024 → EuroPython 2024
41Karen (Karrie) Jex
Crunchy Data; EDB
51,690281,914153Belgium5,443 mi in 3 days: PyCon Italia 2024 → PGConf.dev 2024
42Avinash Vallarapu
Percona; MigOps
51,566134,29752United States5,193 mi in 6 days: PGConf.Asia 2026 → PGConf.PL 2026
43Evan Kohilas
nohumanerrors
51,26678,5444—Australia10,046 mi in 113 days: PyCon US 2025 → PyCon AU 2025
44Devrim Gündüz
EDB; Gündüz Danışmanlık
51,229183,013111United States5,159 mi in 7 days: PGDay/MED 2023 → PGDay Chicago 2023
45Lætitia AVROT
EDB; Docker
51,169212,558121Germany959 mi in 1 day: Nordic PGDay 2023 → pgDay Paris 2023
46Andrea Suardi
Xelera
50,26887,1815—United States10,559 mi in 26 days: STAC Summit Sydney, Fall 2025 → STAC Summit London, Fall 2025
47Tomas Vondra
Microsoft; EDB
50,000291,786111Czechia5,128 mi in 4 days: PGConf.dev 2024 → Prague PostgreSQL Developer Day 2024
48Jay Kreps
Confluent
49,621105,5133—United States5,354 mi in 32 days: Google Cloud Next '19 → Kafka Summit London 2019
49Emil Eifrem
Neo4j
49,468134,1225—United States5,354 mi in 44 days: Neo4j GraphTour London 2019 → Neo4j GraphTour San Francisco 2019
50Holden Karau
Fight Health Insurance; Google
49,353153,52542United States5,109 mi in 7 days: Data Day Texas 2019 → FOSDEM 2019
51Juan Sequeda
data.world; Capsenta
48,551153,4684—United States7,726 mi in 13 days: DataEngBytes 2024 Sydney → Coalesce 2024
52Matei Zaharia
Stanford and Databricks; Databricks
47,540153,3964—United States5,354 mi in 81 days: Data + AI Summit 2025 → VLDB 2025 (51st)
53Deb Nicholson
Python Software Foundation; Open Source Initiative
46,066105,1188—United Kingdom11,316 mi in 40 days: EuroPython 2024 → Kiwi PyCon XIII
54Ines Montani
Explosion
45,870241,994131United Kingdom1,070 mi in 2 days: PyCon Lithuania 2024 → QCon London 2024
55Dilip Kumar
Amazon Web Services; Google
45,698105,0783—India7,956 mi in 67 days: PGConf India 2026 → PGConf.dev 2026
56Matt Topol
Columnar; Voltron Data
45,308143,48541United States5,337 mi in 3 days: PyData Amsterdam 2026 → dbt Summit 2026
57Vahan Sardaryan
LDA Technologies
45,300172,8314—United States3,950 mi in 9 days: STAC Summit Chicago, Spring 2022 → STAC Summit London, Spring 2022
58Alvaro Hernandez
OnGres; reserved
45,197143,4775—United States6,721 mi in 42 days: PGConf.dev 2025 → HOW2025: PostgreSQL & IvorySQL Eco Conference
59Christophe Pettus
PostgreSQL Experts, Inc; PGX, Inc.
45,081182,6529—United States4,520 mi in 47 days: PGDay/MED 2023 → PGCon 2023
60Andres Freund
Microsoft; EDB
44,958133,7478—Canada4,199 mi in 20 days: PGConf NYC 2025 → PGConf.EU 2025 (15th PostgreSQL Conference Europe)
61Dustin Ingram
Python Software Foundation; Google
44,796104,9777—United States10,336 mi in 19 days: EuroPython 2019 → PyCon AU 2019
62Jim Dowling
Hopsworks; Logical Clocks
44,568143,42862United Kingdom4,715 mi in 7 days: PyCon Sweden 2025 → PyData Seattle 2025
63Hans-Jürgen Schönig
CYBERTEC
44,516212,226121Germany5,092 mi in 6 days: PostgresConf South Africa 2019 → PGConf.EU 2019 (11th PostgreSQL Conference Europe)
64Dave Weber
Lenovo
44,477104,9424—United Kingdom6,745 mi in 30 days: STAC Summit Asia (Singapore), Spring 2023 → STAC Summit London, Spring 2023
65Peter Eisentraut
EDB; 2ndQuadrant
44,422162,96181Germany3,728 mi in 4 days: PGConf.DE 2025 → PGConf.dev 2025
66Zoe Steinkamp
InfluxDB; InfluxData
44,302104,92251United States5,665 mi in 5 days: Data Council Austin 2024 → PyCon Lithuania 2024
67Luigi Nardi
DBtune
44,235192,45811—Switzerland4,648 mi in 11 days: PGConf India 2024 → Nordic PGDay 2024
68Alex Merced
Dremio
44,107202,32162United States2,435 mi in 4 days: Data Streaming Summit San Francisco 2025 → SQLSaturday Orlando #1122
69Henrietta Dombrovskaya
Enterprise DB; DRW
43,617192,42311—United States1,772 mi in 13 days: PGConf.dev 2026 → PG DATA 2026
70Sahir Azam
MongoDB
43,381133,6155—United Kingdom1,947 mi in 11 days: MongoDB.local Toronto 2019 → AWS re:Invent 2019
71Kellyn Gorman
Redgate; Microsoft
43,127251,79741United States4,329 mi in 5 days: PG DATA 2026 → PASS Summit Europe (Frankfurt) 2026
72Danica Fine
Confluent; Snowflake
42,828143,2946—Germany4,152 mi in 10 days: Community Over Code North America 2025 → PyData Amsterdam 2025
73Neeraj Pandey
Ashoka University
42,56086,0803—Japan6,869 mi in 127 days: PyCon US 2025 → PyCon JP 2025
74Adam Hill
Amazon Web Services; ComplyAdvantage
42,437123,8583—United States5,337 mi in 66 days: PyData Amsterdam 2025 → AWS re:Invent 2025
75Adi Polak
Treeverse; Confluent
42,016133,50143United States2,045 mi in 3 days: DataEngBytes 2024 Sydney → DataEngBytes 2024 Perth
76Ginger Grant
Desert Isle Group
41,946202,20831United States2,546 mi in 4 days: PASS Summit West 2026 → Live! 360 Tech Con Orlando 2026 (incl. Visual Studio Live!)
77Jimmy Angelakos
SolarWinds MSP; 2ndQuadrant
41,845212,09210—Belgium1,772 mi in 13 days: PGConf.dev 2026 → PG DATA 2026
78Anthony Shaw
DevOps; Microsoft
41,32995,1665—United States5,054 mi in 10 days: PyCon AU 2025 → PyCon JP 2025
79Tyler Hannan
ClickHouse
41,29276,88241Australia2,045 mi in 3 days: DataEngBytes 2024 Sydney → DataEngBytes 2024 Perth
80Mridul Seth
UCLouvain; NetworkX
41,28285,8976—Japan5,639 mi in 36 days: PyCon Italia 2022 → SciPy 2022
81Angie Jones
Block; Agentic AI Foundation
41,202104,57882India5,772 mi in 6 days: AGNTCon + MCPCon Japan 2026 → AGNTCon + MCPCon Europe 2026
82Stephen Frost
Crunchy Data
40,987123,7266—Belgium10,405 mi in 78 days: PG Down Under 2019 → FOSDEM 2020
83Zhamak Dehghani
Nextdata; Thoughtworks
39,561104,3963—United States10,559 mi in 56 days: DataEngBytes 2025 Sydney → Big Data LDN 2025
84Louis Liu
Shengli Technologies
39,51094,93951Singapore4,863 mi in 5 days: STAC Summit Sydney, Fall 2026 → STAC Summit Tokyo, Fall 2026
85Michael Meskes
credativ; Instaclustr
39,41885,6315—United States7,776 mi in 98 days: Postgres Conference 2025 → HOW2025: PostgreSQL & IvorySQL Eco Conference
86Charly Batista
Percona; EDB
38,628142,97161United States5,028 mi in 4 days: PGConf.DE 2026 → HOW2026: PostgreSQL & IvorySQL Ecosystem Conference
87Javier de la Torre
CARTO
38,598123,5092—United States2,227 mi in 46 days: Spatial Data Science Conference 2024 New York → AWS re:Invent 2024
88Timothy Spann
StreamNative; Cloudera
38,531142,9645—United States4,165 mi in 32 days: Data Summit 2024 → Budapest Data+ML Forum 2024
89John Morehouse
Denny Cherry & Associates Consulting
38,400123,4915—United States4,166 mi in 28 days: SQLBits 2024 → SQLSaturday Atlanta #1072
90Sridhar Ramaswamy
Snowflake
38,38485,4834—Japan5,540 mi in 18 days: Snowflake World Tour Tokyo 2026 → Snowflake World Tour Berlin 2026
91Hannu Krosing
Google
38,34085,4776—Canada8,014 mi in 66 days: PGConf India 2025 → Postgres Extensions Day Montréal 2025
92Chang She
LanceDB; Eto Labs
38,222123,4754—United States5,822 mi in 18 days: DuckCon #3 → EuroPython 2023
93Ásgeir Gunnarsson
Datheos; North Insights ApS
37,872162,5256—Austria213 mi in 2 days: SQL Konferenz 2024 → Data Saturday #59 - Data Saturday Holland 2024
94Erin Stellato
Microsoft; SQLskills
37,741104,1935—United States5,569 mi in 31 days: SQL Konferenz 2025 → Microsoft Fabric Community Conference 2025 (FabCon Las Vegas)
95Stephen Chin
Neo4j
37,563113,7564—United States6,035 mi in 12 days: AGNTCon + MCPCon Japan 2026 → AI Engineer Paris 2026
96Jarek Potiuk
Polidea; Apache Software Foundation
37,475123,4076—United States343 mi in 4 days: Community Over Code EU 2024 → Berlin Buzzwords 2024
97Luca Mezzalira
DAZN; Amazon Web Services
37,090113,7092—United States5,220 mi in 87 days: AWS re:Invent 2019 → QCon London 2020
98Gabor Szarnyas
DuckDB Labs; Budapest University of Technology and Economics
37,013162,4688—Belgium4,600 mi in 18 days: PyCon US 2024 → Budapest Data+ML Forum 2024
99Brian A. Randell
MCW Technologies
36,954271,42111United States1,730 mi in 3 days: Visual Studio Live! San Diego 2019 → Visual Studio Live! Chicago 2019
100Joe Conway
Crunchy Data; Amazon Web Services
36,653123,3326—Belgium7,956 mi in 67 days: PGConf India 2026 → PGConf.dev 2026

How this is counted

  • Miles are great-circle distances between the cities of consecutive in-person events in date order, not actual flights: a speaker who flies home between two European events still counts only the hop between them.
  • Left out: online and cancelled events, and events with no known city. Speakers need at least three located in-person events.
  • Turnarounds use the days from the last day of one event to the first day of the next. Events run several days, so a speaker may have had more time than this if their talk came late. Far-apart events with no feasible gap (overlapping, the same day, or under two days for 8,000+ miles) are treated as remote or streamed talks and left out of the turnaround figures.
  • "Speaks mostly in" is the country where the person gave most of their in-person talks, not where they live; the index has no residence data.
  • Coverage varies. Conferences that publish full speaker lists (Postgres, SQLSaturday, PyCon, STAC) are fully counted; many vendor flagships list only keynotes.