Mark Su

This page was current at the end of the individual's last campaign covered by Ballotpedia. Please contact us with any updates.

Mark Su

Republican Party

Elections and appointments

Last election

March 17, 2026

Education

Bachelor's

National University of Defense Technology, 1985

Graduate

University of Illinois, Chicago, 1997

Personal

Religion

Christian

Profession

Consultant

Contact

Campaign website

Campaign Facebook

Campaign YouTube

Campaign TikTok

Mark Su (Republican Party) ran for election to the U.S. House to represent Illinois' 9th Congressional District. He lost in the Republican primary on March 17, 2026.

Su completed Ballotpedia's Candidate Connection survey in 2025. Click here to read the survey answers.

Biography

Mark Su earned a bachelor's degree from the National University of Defense Technology in China in 1985 and a graduate degree from the University of Illinois, Chicago in 1997. His career experience includes working as a consultant, media creator, writer, and business owner.

Elections

2026

See also: Illinois' 9th Congressional District election, 2026

Illinois' 9th Congressional District election, 2026 (March 17 Democratic primary)

Illinois' 9th Congressional District election, 2026 (March 17 Republican primary)

General election

General election for U.S. House Illinois District 9

Daniel K. Biss and John Elleson are running in the general election for U.S. House Illinois District 9 on November 3, 2026.

		Candidate
		Daniel K. Biss (D)
		John Elleson (R)

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	There are no incumbents in this race.
= candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates

• Delila Barrera (Independent)

Democratic primary election

Democratic primary for U.S. House Illinois District 9

The following candidates ran in the Democratic primary for U.S. House Illinois District 9 on March 17, 2026.

		Candidate	%	Votes
✔		Daniel K. Biss	29.4	38,804
		Kat Abughazaleh	26.3	34,707
		Laura Fine	20.0	26,384
		Mike Simmons	7.1	9,419
		Phil Andrew	6.1	7,997
		Bushra Amiwala	5.1	6,692
		Hoan Huynh	1.8	2,343
		Patricia Brown	1.3	1,675
		Jeff Cohen	0.8	1,078
		Justin Ford	0.6	793
		Bethany Johnson	0.5	635
		Sam Polan	0.4	528
		Howard Rosenblum	0.2	312
		Nick Pyati	0.2	241
		Mark Fredrickson	0.2	232

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	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 131,840
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

• Jill Manrique (D)
• David Abrevaya (D)
• Tamika La'Shon Hill (D)
• Jan Schakowsky (D)
• Natalie Angelo (D)
• Lauren Million (D)
• Bruce Leon (D)
• Miracle Jenkins (D)

Republican primary election

Republican primary for U.S. House Illinois District 9

John Elleson defeated Paul Friedman, Rocio Cleveland, and Mark Su in the Republican primary for U.S. House Illinois District 9 on March 17, 2026.

		Candidate	%	Votes
✔		John Elleson	48.9	7,545
		Paul Friedman	33.6	5,185
		Rocio Cleveland	9.5	1,469
		Mark Su	8.1	1,245

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	There were no incumbents in this race. The results have been certified. Source	Total votes: 15,444
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
Do you want a spreadsheet of this type of data? Contact our sales team.

Endorsements

See also: Our approach to covering endorsements

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Campaign themes

2026

Video for Ballotpedia

Video submitted to Ballotpedia Released June 7, 2025

Ballotpedia survey responses

See also: Ballotpedia's Candidate Connection

Mark Su completed Ballotpedia's Candidate Connection survey in 2025. The survey questions appear in bold and are followed by Su's responses.

Expand All

Who are you? Tell us about yourself.

I am father, husband, and long time community contributor. I was a student, a blue collar worker, a small business owner before, and I am working class people in past 20 years working as an computer software engineer and IT consultant. I also create media company to do news and video media for 12 years. I have extensive professional experience in several industry, include worked at Tech company Motorola as a software engineer, Abbott Laboratories , Bank of American as a IT consultant. Over past dozens of years, I work as a media editor , journalist to closely work with communities, city, state and other place, include promote policy, report events, help community to solve issues , etc. With my media platform , I did lot political comments, support local, state and federal candidates , and promote election. I was also a writer, which publish two books, and thousands of news and comment articles.

Please list below 3 key messages of your campaign. What are the main points you want voters to remember about your goals for your time in office?

• I am grassroot working class person, I'll fight for all citizens, what ever you are republican, or any other citizens, I will work for you
• I am loyal citizens of 9th district which live on this district over last 27 years, I will make this district better, make Illinois better, make American better
• I'll represent republican to election, as democratic congress woman in this district near 30 years, it's time to change, from equal opportunity point of view, it's term for republican to be on this congress district. However, I'll work for all people, include republican, democratic and any other citizens. I'll fight for all class, no matter you are blue collar, white collar, business owner, etc. I will fight for issues like high working class medical insurance, community safety, better education systems, strong economy , and more.

What areas of public policy are you personally passionate about?

Science and Tech, public safety, internal policy, education, Social issues, industry development, etc

Who do you look up to? Whose example would you like to follow, and why?

Trump's election experience inspired me to run this congress race

Is there a book, essay, film, or something else you would recommend to someone who wants to understand your political philosophy?

Trump's book "The way to success"

What characteristics or principles are most important for an elected official?

A elected official should a positive, open mind, and love to serve public service. To be elected official, you must have above average high vision on most of thing, like district development, social issues, and national policies. A elected official must love his district, love state, love this country, he must be a long time loyal citizen and welling to contribute all talent, experience and other to the district. A elected official must be smart, very knowledge in most areas and topics. A official should work for all people, whatever they are republican, democratic, and other people. A official should make right decision on all work, make community united.

What qualities do you possess that you believe would make you a successful officeholder?

High educated, over 40 years job experience in multiply industry. Passion on political and social work.

What do you believe are the core responsibilities for someone elected to this office?

Solove district issues, social issues, keep district and communities health developed, help citizen on all issues.

What legacy would you like to leave?

A first generation Chinese immigrant make congress race, a working class and science engineer run congress

What is the first historical event that happened in your lifetime that you remember? How old were you at the time?

Fist historical event is I was admitted to a state best high school among my district, I am the number one to this school, it make me enter best college later.

What was your very first job? How long did you have it?

My first is job is as Information Science engineer for 8 years

What is your favorite book? Why?

Trump's book, it inspire people

If you could be any fictional character, who would you want to be?

musk

What was the last song that got stuck in your head?

America flag

What is something that has been a struggle in your life?

Family, personal development

What qualities does the U.S. House of Representatives possess that makes it unique as an institution?

High vision, talent work, al around knowledge, love district, love country, positive, take, responsibility,

Do you believe that it's beneficial for representatives to have previous experience in government or politics?

yes

What do you perceive to be the United States' greatest challenges as a nation over the next decade?

Great challenges for US over the next decade include gun control, industry development, like manufacture restore, race balance, internal competition, political crash, the fight between democratic and republican

Do you believe that two years is the right term length for representatives?

4 years better

What are your thoughts on term limits?

Congress should change the term limit to like max tern no more than 4 term to promote equal opportunities, and make change on district

Is there a particular representative, past or present, whom you want to model yourself after?

Bill Foster on IL 11th US congress district

Both sitting representatives and candidates for office hear many personal stories from the residents of their district. Is there a story that you’ve heard that you found particularly touching, memorable, or impactful?

yes

Tell us your favorite joke.

I like humor,

Do you believe that compromise is necessary or desirable for policymaking?

Yes

The Constitution says that all bills for raising revenue must originate in the House. What role would this power play in your priorities if elected?

yes, I'll take high priority

How should the U.S. House use its investigative powers?

Do right and good jobs

What organizations or individuals have endorsed your campaign?

Friends, Republican

What committees interest you?

Science and Tech, education, financial, international policy, Food Industry

What are your views on financial transparency and government accountability?

Government should keep balance of financial transparency and regulations, should set well organized rules to keep health of financial situations, and government should accountable on these issues.

Note: Ballotpedia reserves the right to edit Candidate Connection survey responses. Any edits made by Ballotpedia will be clearly marked with [brackets] for the public. If the candidate disagrees with an edit, he or she may request the full removal of the survey response from Ballotpedia.org. Ballotpedia does not edit or correct typographical errors unless the candidate's campaign requests it.

Campaign finance summary

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Note: The finance data shown here comes from the disclosures required of candidates and parties. Depending on the election or state, this may represent only a portion of all the funds spent on their behalf. Satellite spending groups may or may not have expended funds related to the candidate or politician on whose page you are reading this disclaimer. Campaign finance data from elections may be incomplete. For elections to federal offices, complete data can be found at the FEC website. Click here for more on federal campaign finance law and here for more on state campaign finance law.

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Mark Su campaign contribution history

Year	Office	Status	Contributions	Expenditures
2026*	U.S. House Illinois District 9	Lost primary	$24,115	$21,723
Grand total			$24,115	$21,723
Sources: OpenSecrets,  Federal Election Commission ***This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC).
* Data from this year may not be complete

See also

2026 Elections

What's on the ballot? Illinois U.S. Congress U.S. Congress special elections State executives State legislatures State courts Ballot measures Municipal government School boards Election analysis hub

Government

Who represents me? U.S. CongressState executivesState legislators State courts Ballot measures Municipal governmentList of school districts in Illinois

Newsletters

The Daily Brew The Weekly Brew The Ballot Bulletin Checks and Balances Economy and Society Hall Pass Number of the Day Robe & Gavel

External links

Search Google News for this topic

Candidate

U.S. House Illinois District 9

Website

Facebook

YouTube

TikTok

Footnotes

[show]

Illinois' current delegation to the United States Congress

Senators

Tammy Duckworth (D)

Dick Durbin (D)

Representatives

District 1

Jonathan Jackson (D)

District 2

Robin Kelly (D)

District 3

Delia Ramirez (D)

District 4

Jesus Garcia (D)

District 5

Mike Quigley (D)

District 6

Sean Casten (D)

District 7

Danny Davis (D)

District 8

Raja Krishnamoorthi (D)

District 9

Jan Schakowsky (D)

District 10

Brad Schneider (D)

District 11

Bill Foster (D)

District 12

Mike Bost (R)

District 13

Nikki Budzinski (D)

District 14

Lauren Underwood (D)

District 15

Mary Miller (R)

District 16

Darin LaHood (R)

District 17

Eric Sorensen (D)

Democratic Party (16)

Republican Party (3)

Capital: Springfield

Illinois

Elections

What's on my ballot? • Elections in 2026 • How to vote • How to run for office • Ballot measures

Government

Who represents me? • U.S. President • U.S. Congress • Federal courts • State executives • State legislature • State and local courts • Counties • Cities • School districts • Public policy